6277 + Interview Questions in Physics Page 93 InterviewSolution

4601.	For the industrialists, the forests are a source of:
Answer» For the industrialists, the forests are a source of:

Discussion

4602.	You are in front of two mirrors A and B. Mirror A produces same size image and mirror B produces a diminished image. Identify the types of mirrors A and B.
Answer» You are in front of two mirrors A and B. Mirror A produces same size image and mirror B produces a diminished image. Identify the types of mirrors A and B.

Discussion

4603.	Question 7 In places of hot climate, it is advised that the outer walls of houses be painted white. Explain.
Answer» Question 7 In places of hot climate, it is advised that the outer walls of houses be painted white. Explain.

Discussion

4604.	Milk has a density of 1.25 g/ml, calculate the mass of 1 l of milk.
Answer» Milk has a density of 1.25 g/ml, calculate the mass of 1 l of milk.

4604.

Milk has a density of 1.25 g/ml, calculate the mass of 1 l of milk.

Answer»

Milk has a density of 1.25 g/ml, calculate the mass of 1 l of milk.

Discussion

4605.	The major problem in harnessing nuclear energy is how to
Answer» The major problem in harnessing nuclear energy is how to

Discussion

4606.	What happens to kinetic energy when the work on the car of mass 1000kg increases its velocity from 10km/hr to 20km/hr?
Answer» What happens to kinetic energy when the work on the car of mass 1000kg increases its velocity from $10km/hr$ to $20km/hr$ ?

Discussion

4607.	Find the amount of current (in amperes) that flows through a wire's cross-section, if an electrical charge of 0.8 C flows through it in 4 seconds.
Answer» Find the amount of current (in amperes) that flows through a wire's cross-section, if an electrical charge of 0.8 C flows through it in 4 seconds.

Discussion

4608.	An electric bulb works on the principle of :
Answer» An electric bulb works on the principle of :

Discussion

4609.	Describe a simple experiment to illustrate that air exerts pressure.
Answer» Describe a simple experiment to illustrate that air exerts pressure.

Discussion

4610.	A few natural phenomena are given below. Identify the correct phenomenon in which the process of electric discharge occurs.
Answer» A few natural phenomena are given below. Identify the correct phenomenon in which the process of electric discharge occurs.

Discussion

4611.	Why should the laboratory thermometer must be held upright position for measuring temperature?
Answer» Why should the laboratory thermometer must be held upright position for measuring temperature?

Discussion

4612.	Question 18 Paheli took a wire of length 10 cm. Boojho took a wire of 5 cm of the same material and thickness. Both of them connected the wires as shown in the circuit given in Figure. The current flowing in both the circuits is the same. (i) Will the heat produced in both the cases be equal? Explain. (ii) Will the heat produced be the same if the wires taken by them are of equal lengths but of different thickness? Explain.
Answer» Question 18 Paheli took a wire of length 10 cm. Boojho took a wire of 5 cm of the same material and thickness. Both of them connected the wires as shown in the circuit given in Figure. The current flowing in both the circuits is the same. (i) Will the heat produced in both the cases be equal? Explain. (ii) Will the heat produced be the same if the wires taken by them are of equal lengths but of different thickness? Explain.

4612.

Question 18 Paheli took a wire of length 10 cm. Boojho took a wire of 5 cm of the same material and thickness. Both of them connected the wires as shown in the circuit given in Figure. The current flowing in both the circuits is the same. (i) Will the heat produced in both the cases be equal? Explain. (ii) Will the heat produced be the same if the wires taken by them are of equal lengths but of different thickness? Explain.

Answer»

Question 18

Paheli took a wire of length 10 cm. Boojho took a wire of 5 cm of the same material and thickness. Both of them connected the wires as shown in the circuit given in Figure. The current flowing in both the circuits is the same.
(i) Will the heat produced in both the cases be equal? Explain.
(ii) Will the heat produced be the same if the wires taken by them are of equal lengths but of different thickness? Explain.

Discussion

4613.	A crane uses a mysterious object ‘X’ to separate magnetic materials from junk. The object ‘X’ is most probably a:
Answer» A crane uses a mysterious object ‘X’ to separate magnetic materials from junk. The object ‘X’ is most probably a:

Discussion

4614.	during charging by induction it is 1)only the charged body that shares it charges,with the object to be charged 2)the charged object as well as the earth that share their charges with the object to be charged 3)the uncharged object that is able to produce charges on itself 4)only the charged object that shares its charges with the object to be charged Which of the following option is correct explain why
Answer» during charging by induction it is 1)only the charged body that shares it charges,with the object to be charged 2)the charged object as well as the earth that share their charges with the object to be charged 3)the uncharged object that is able to produce charges on itself 4)only the charged object that shares its charges with the object to be charged Which of the following option is correct explain why

Discussion

4615.	Fill in the blank with a correct pronoun. ____ deliberately covered the soles of his own shoes with mud.
Answer» Fill in the blank with a correct pronoun. ____ deliberately covered the soles of his own shoes with mud.

4615.

Fill in the blank with a correct pronoun. ____ deliberately covered the soles of his own shoes with mud.

Answer»

Fill in the blank with a correct pronoun.

____ deliberately covered the soles of his own shoes with mud.

Discussion

4616.	Which of the following is true about velocity?
Answer» Which of the following is true about velocity?

Discussion

4617.	Question 1 Observe the pictures A and B given in Fig. carefully. Which of the following statement is correct for the above given pictures? (a) In A, cars 1 and 2 will come closer and in B, cars 3 and 4 will come closer. (b) In A, cars 1 and 2 will move away from each other and in B, cars 3 and 4 will move away. (c) In A, cars 1 and 2 will move away and in B, 3 and 4 will come closer to each other (d) In A, cars 1 and 2 will come closer to each other and in B, 3 and 4 will move away from each other.
Answer» Question 1 Observe the pictures A and B given in Fig. carefully. Which of the following statement is correct for the above given pictures? (a) In A, cars 1 and 2 will come closer and in B, cars 3 and 4 will come closer. (b) In A, cars 1 and 2 will move away from each other and in B, cars 3 and 4 will move away. (c) In A, cars 1 and 2 will move away and in B, 3 and 4 will come closer to each other (d) In A, cars 1 and 2 will come closer to each other and in B, 3 and 4 will move away from each other.

4617.

Question 1 Observe the pictures A and B given in Fig. carefully. Which of the following statement is correct for the above given pictures? (a) In A, cars 1 and 2 will come closer and in B, cars 3 and 4 will come closer. (b) In A, cars 1 and 2 will move away from each other and in B, cars 3 and 4 will move away. (c) In A, cars 1 and 2 will move away and in B, 3 and 4 will come closer to each other (d) In A, cars 1 and 2 will come closer to each other and in B, 3 and 4 will move away from each other.

Answer»

Question 1

Observe the pictures A and B given in Fig. carefully.

Which of the following statement is correct for the above given pictures?

(a) In A, cars 1 and 2 will come closer and in B, cars 3 and 4 will come closer.

(b) In A, cars 1 and 2 will move away from each other and in B, cars 3 and 4 will move away.

(c) In A, cars 1 and 2 will move away and in B, 3 and 4 will come closer to each other

(d) In A, cars 1 and 2 will come closer to each other and in B, 3 and 4 will move away from each other.

Discussion

4618.	A body goes from C to D with a velocity of 20 m/s and comes back from D to C with a velocity of 30 m/s. The average velocity of the body during the whole journey is
Answer» A body goes from C to D with a velocity of 20 m/s and comes back from D to C with a velocity of 30 m/s. The average velocity of the body during the whole journey is

Discussion

4619.	What is electrical induction? Explain with examples.
Answer» What is electrical induction? Explain with examples.

Discussion

4620.	There are 2 containers of the same height and the same base radius. One is a right circular cone and the other is a cylinder. The cone is completely filled with milk and the cylinder is completely filled with water. If both the containers are emptied to half their heights into the third container, the ratio of milk to water in the third container is
Answer» There are 2 containers of the same height and the same base radius. One is a right circular cone and the other is a cylinder. The cone is completely filled with milk and the cylinder is completely filled with water. If both the containers are emptied to half their heights into the third container, the ratio of milk to water in the third container is

4620.

There are 2 containers of the same height and the same base radius. One is a right circular cone and the other is a cylinder. The cone is completely filled with milk and the cylinder is completely filled with water. If both the containers are emptied to half their heights into the third container, the ratio of milk to water in the third container is

Answer»

There are 2 containers of the same height and the same base radius. One is a right circular cone and the other is a cylinder. The cone is completely filled with milk and the cylinder is completely filled with water.

If both the containers are emptied to half their heights into the third container, the ratio of milk to water in the third container is

Discussion

4621.	Match the following according to their symbols.
Answer» Match the following according to their symbols.

Discussion

4622.	If a sound travels from air to water then which quantity will remain unchanged? a) velocity b) wavelength c) frequency d) amplitude
Answer» If a sound travels from air to water then which quantity will remain unchanged? a) velocity b) wavelength c) frequency d) amplitude

Discussion

4623.	What is the minimum number of eggs required to support a plan weighing 1.8 N? Each egg can tolerate 0.5 N.
Answer» What is the minimum number of eggs required to support a plan weighing 1.8 N? Each egg can tolerate 0.5 N.

Discussion

4624.	Which part of Earth gets the maximum amount of sunlight?
Answer» Which part of Earth gets the maximum amount of sunlight?

Discussion

4625.	The CGS unit for energy is
Answer» The CGS unit for energy is

Discussion

4626.	Statement 1: For a person facing North, his image in a plane mirror kept just in front of him would face South. Staement 2: Plane mirror forms inverted image.
Answer» Statement 1: For a person facing North, his image in a plane mirror kept just in front of him would face South. Staement 2: Plane mirror forms inverted image.

4626.

Statement 1: For a person facing North, his image in a plane mirror kept just in front of him would face South. Staement 2: Plane mirror forms inverted image.

Answer»

Statement 1: For a person facing North, his image in a plane mirror kept just in front of him would face South.

Staement 2: Plane mirror forms inverted image.

Discussion

4627.	Question 2 (iv) Which of the following are not correct? (iv) The time period of a given pendulum is not constant.
Answer» Question 2 (iv) Which of the following are not correct? (iv) The time period of a given pendulum is not constant.

Discussion

4628.	Odometer measures
Answer» Odometer measures

Discussion

4629.	Initially, sailors used to find direction by suspending a piece of ____.
Answer» Initially, sailors used to find direction by suspending a piece of ____.

Discussion

4630.	Like poles of magnets___each other.
Answer» Like poles of magnets___each other.

Discussion

4631.	Which of the following are characteristics of images formed by convex mirrors?
Answer» Which of the following are characteristics of images formed by convex mirrors?

Discussion

4632.	___ wave is formed due to an earthquake beneath the seafloor.
Answer» ___ wave is formed due to an earthquake beneath the seafloor.

Discussion

4633.	Mention five advantages of polythene over natural materials. [5 MARKS]
Answer» Mention five advantages of polythene over natural materials. [5 MARKS]

Discussion

4634.	A coliform is a group of bacteria, found in human intestines, whose presence in water indicates contamination by disease-causing microorganisms. Based on the above graph, which of the given cities should a couple prefer to live in?
Answer» A coliform is a group of bacteria, found in human intestines, whose presence in water indicates contamination by disease-causing microorganisms. Based on the above graph, which of the given cities should a couple prefer to live in?

4634.

A coliform is a group of bacteria, found in human intestines, whose presence in water indicates contamination by disease-causing microorganisms. Based on the above graph, which of the given cities should a couple prefer to live in?

Answer»

A coliform is a group of bacteria, found in human intestines, whose presence in water indicates contamination by disease-causing microorganisms.

Based on the above graph, which of the given cities should a couple prefer to live in?

Discussion

4635.	As the depth of water increases the pressure ___.
Answer» As the depth of water increases the pressure ___.

Discussion

4636.	A break in the filament of an electric bulb means:
Answer» A break in the filament of an electric bulb means:

Discussion

4637.	With what medium does light travel in space
Answer» With what medium does light travel in space

Discussion

4638.	Which among the following is a present participle?
Answer» Which among the following is a present participle?

Discussion

4639.	Question 1 (ii) Fill in the blank in the following. The Materials which are attracted towards a magnet are called ___.
Answer» Question 1 (ii) Fill in the blank in the following. The Materials which are attracted towards a magnet are called ___.

4639.

Question 1 (ii) Fill in the blank in the following. The Materials which are attracted towards a magnet are called ___.

Answer»

Question 1 (ii)

Fill in the blank in the following.

The Materials which are attracted towards a magnet are called ___.

Discussion

4640.	All formulas of current electricity and household circuits
Answer» All formulas of current electricity and household circuits

Discussion

4641.	The pressure in the tyre of a car is four times the atmospheric pressure at 300 K. If this tyre suddenly bursts, its new temperature will be (γ=1.4)
Answer» The pressure in the tyre of a car is four times the atmospheric pressure at 300 K. If this tyre suddenly bursts, its new temperature will be $(γ = 1.4)$

Discussion

4642.	The diameter of an iron tyre is kept slightly smaller than the wooden wheel on which this tyre is to be mounted.
Answer» The diameter of an iron tyre is kept slightly smaller than the wooden wheel on which this tyre is to be mounted.

Discussion

4643.	What are the various effects of flood?
Answer» What are the various effects of flood?

Discussion

4644.	In daytime,how does the cold air in sea flow to land side?
Answer» In daytime,how does the cold air in sea flow to land side?

Discussion

4645.	On a sunny day, it is cool in the shade below a tree but not away from it because:
Answer» On a sunny day, it is cool in the shade below a tree but not away from it because:

Discussion

4646.	Give the difference between conduction, convention, and radiation.
Answer» Give the difference between conduction, convention, and radiation.

Discussion

4647.	The normal temperature of a human body is ___ degree Celsius.
Answer» The normal temperature of a human body is ___ degree Celsius.

Discussion

4648.	An iron cylinder of length 10 cm has a diameter of 8 cm. What is the volume of the cylinder?
Answer» An iron cylinder of length $10 cm$ has a diameter of $8 cm$ . What is the volume of the cylinder?

Discussion

4649.	The initial temperatures of two bodies B and C were T1 and T2 respectively. Now, they are brought into contact and heat starts flowing from C to B until their temperature reaches T, then which of the following are true?
Answer» The initial temperatures of two bodies B and C were $T_{1}$ and $T_{2}$ respectively. Now, they are brought into contact and heat starts flowing from C to B until their temperature reaches $T$ , then which of the following are true?

Discussion

4650.	Himanshu has three buckets as shown below. He puts his left-hand in bucket A and right-hand in bucket B. He then puts both of his hands in normal water. His left-hand feels that the water here is hotter while his right-hand feels that the water here is colder. Select the correct option:
Answer» Himanshu has three buckets as shown below. He puts his left-hand in bucket A and right-hand in bucket B. He then puts both of his hands in normal water. His left-hand feels that the water here is hotter while his right-hand feels that the water here is colder. Select the correct option:

4650.

Himanshu has three buckets as shown below. He puts his left-hand in bucket A and right-hand in bucket B. He then puts both of his hands in normal water. His left-hand feels that the water here is hotter while his right-hand feels that the water here is colder. Select the correct option:

Answer»

Himanshu has three buckets as shown below. He puts his left-hand in bucket A and right-hand in bucket B. He then puts both of his hands in normal water. His left-hand feels that the water here is hotter while his right-hand feels that the water here is colder.

Select the correct option:

Discussion

Explore topic-wise InterviewSolutions in .

For the industrialists, the forests are a source of:

You are in front of two mirrors A and B. Mirror A produces same size image and mirror B produces a diminished image. Identify the types of mirrors A and B.

Question 7 In places of hot climate, it is advised that the outer walls of houses be painted white. Explain.

Milk has a density of 1.25 g/ml, calculate the mass of 1 l of milk.

The major problem in harnessing nuclear energy is how to

What happens to kinetic energy when the work on the car of mass 1000kg increases its velocity from 10km/hr to 20km/hr?

Find the amount of current (in amperes) that flows through a wire's cross-section, if an electrical charge of 0.8 C flows through it in 4 seconds.

An electric bulb works on the principle of :

Describe a simple experiment to illustrate that air exerts pressure.

A few natural phenomena are given below. Identify the correct phenomenon in which the process of electric discharge occurs.

Why should the laboratory thermometer must be held upright position for measuring temperature?

A crane uses a mysterious object ‘X’ to separate magnetic materials from junk. The object ‘X’ is most probably a:

Fill in the blank with a correct pronoun. ____ deliberately covered the soles of his own shoes with mud.

Which of the following is true about velocity?

A body goes from C to D with a velocity of 20 m/s and comes back from D to C with a velocity of 30 m/s. The average velocity of the body during the whole journey is

What is electrical induction? Explain with examples.

Match the following according to their symbols.

If a sound travels from air to water then which quantity will remain unchanged? a) velocity b) wavelength c) frequency d) amplitude

What is the minimum number of eggs required to support a plan weighing 1.8 N? Each egg can tolerate 0.5 N.

Which part of Earth gets the maximum amount of sunlight?

The CGS unit for energy is

Statement 1: For a person facing North, his image in a plane mirror kept just in front of him would face South. Staement 2: Plane mirror forms inverted image.

Question 2 (iv) Which of the following are not correct? (iv) The time period of a given pendulum is not constant.

Odometer measures

Initially, sailors used to find direction by suspending a piece of ____.

Like poles of magnets___each other.

Which of the following are characteristics of images formed by convex mirrors?

___ wave is formed due to an earthquake beneath the seafloor.

Mention five advantages of polythene over natural materials. [5 MARKS]

A coliform is a group of bacteria, found in human intestines, whose presence in water indicates contamination by disease-causing microorganisms. Based on the above graph, which of the given cities should a couple prefer to live in?

As the depth of water increases the pressure ___.

A break in the filament of an electric bulb means:

With what medium does light travel in space

Which among the following is a present participle?

Question 1 (ii) Fill in the blank in the following. The Materials which are attracted towards a magnet are called ___.

All formulas of current electricity and household circuits

The pressure in the tyre of a car is four times the atmospheric pressure at 300 K. If this tyre suddenly bursts, its new temperature will be (γ=1.4)

The diameter of an iron tyre is kept slightly smaller than the wooden wheel on which this tyre is to be mounted.

What are the various effects of flood?

In daytime,how does the cold air in sea flow to land side?

On a sunny day, it is cool in the shade below a tree but not away from it because:

Give the difference between conduction, convention, and radiation.

The normal temperature of a human body is ___ degree Celsius.

An iron cylinder of length 10 cm has a diameter of 8 cm. What is the volume of the cylinder?

The initial temperatures of two bodies B and C were T1 and T2 respectively. Now, they are brought into contact and heat starts flowing from C to B until their temperature reaches T, then which of the following are true?

Himanshu has three buckets as shown below. He puts his left-hand in bucket A and right-hand in bucket B. He then puts both of his hands in normal water. His left-hand feels that the water here is hotter while his right-hand feels that the water here is colder. Select the correct option: