InterviewSolution
Saved Bookmarks
InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 9401. |
How is the sound produced in a bamboo flute? |
|
Answer» How is the sound produced in a bamboo flute? |
|
| 9402. |
What makes the wheels of a steam engine move? Explain in detail. [3 MARKS] |
|
Answer»
What makes the wheels of a steam engine move? Explain in detail. [3 MARKS] |
|
| 9403. |
What does the ear do? |
|
Answer» What does the ear do? |
|
| 9404. |
Ray of light falling parallel to the principal axis in the above diagram follows which path after reflection:- |
|
Answer» Ray of light falling parallel to the principal axis in the above diagram follows which path after reflection:-
|
|
| 9405. |
Assuming that a toy car is pushed with the same force, on which of the following surfaces would it travel the farthest? |
|
Answer» Assuming that a toy car is pushed with the same force, on which of the following surfaces would it travel the farthest? |
|
| 9406. |
A man applies a force of 20 N to kill a fly with a flat stick. If the area over which the force is acting is 2 cm2, calculate the pressure on that area. |
|
Answer» A man applies a force of 20 N to kill a fly with a flat stick. If the area over which the force is acting is 2 cm2, calculate the pressure on that area. |
|
| 9407. |
The distance between a compression and its next rarefaction, in a sound wave of wavelength λ, will be: |
|
Answer» The distance between a compression and its next rarefaction, in a sound wave of wavelength λ, will be: |
|
| 9408. |
A coin is kept at the bottom of an empty beaker. Water having refractive index 43is poured into the beaker up to a height of 16 cm. Find the apparent position of the coin. |
|
Answer» A coin is kept at the bottom of an empty beaker. Water having refractive index 43is poured into the beaker up to a height of 16 cm. Find the apparent position of the coin. |
|
| 9409. |
Which of the following force is utilised in reducing air pollution by removing dust, soot and fly-ash particles from the smoke coming out of chimneys of factories ? (a) magnetic force (b) gravitational force (c) electostatic force (d) frictional force |
|
Answer» Which of the following force is utilised in reducing air pollution by removing dust, soot and fly-ash particles from the smoke coming out of chimneys of factories ? |
|
| 9410. |
In the given figure, if we immersed the block into the water then what will happen to the reading on the spring balance? |
|
Answer» In the given figure, if we immersed the block into the water then what will happen to the reading on the spring balance?
|
|
| 9411. |
Each of these flasks contains the same number of gas molecules. In which would the pressure be lowest? |
Answer» Each of these flasks contains the same number of gas molecules. In which would the pressure be lowest? |
|
| 9412. |
Image on an object is formed by two plane mirrors one of the plane mirror is double the size of the other in which case will theimage be bigger and why Please check my answer Ans. The image of the object in both the Mirrors would be the same as it is one of the characteristics of the image formed by a plane mirror the image formed on the plane mirror would be the exact size of the object |
|
Answer» Image on an object is formed by two plane mirrors one of the plane mirror is double the size of the other in which case will theimage be bigger and why Please check my answer Ans. The image of the object in both the Mirrors would be the same as it is one of the characteristics of the image formed by a plane mirror the image formed on the plane mirror would be the exact size of the object |
|
| 9413. |
(a) What type of pollution is caused by the working of mixer and grinder in the kitchen? (b) Why should we not put a pin or pencil in our ears? |
|
Answer» (a) What type of pollution is caused by the working of mixer and grinder in the kitchen? (b) Why should we not put a pin or pencil in our ears? |
|
| 9414. |
Explain why, it is easier to drag a mat on floor when nobody is sitting on it but much more difficult to drag the same mat when a person is sitting on it. |
|
Answer» Explain why, it is easier to drag a mat on floor when nobody is sitting on it but much more difficult to drag the same mat when a person is sitting on it. |
|
| 9415. |
____________ occur when the surface of the Earth shakes due to tremors on the Earth. |
|
Answer» ____________ occur when the surface of the Earth shakes due to tremors on the Earth. |
|
| 9416. |
A cork piece floats on the water surface while an iron nail sinks in it. Explain the reason. |
|
Answer» A cork piece floats on the water surface while an iron nail sinks in it. Explain the reason. |
|
| 9417. |
WHAT WILL HAPPEN IF A RAY OF LIGHT STRIKES 2 MEDIUM OF SURFACES |
|
Answer» WHAT WILL HAPPEN IF A RAY OF LIGHT STRIKES 2 MEDIUM OF SURFACES |
|
| 9418. |
What type of wave is an electromagnetic wave -Transverse or Longitudinal? |
| Answer» What type of wave is an electromagnetic wave -Transverse or Longitudinal? | |
| 9419. |
A solid weighs 300n. Calculate the pressure exerted by solid when it is kept on a glass surface if the area of contact is 400cm^2. |
|
Answer» A solid weighs 300n. Calculate the pressure exerted by solid when it is kept on a glass surface if the area of contact is 400cm^2. |
|
| 9420. |
Can anything travel at speed of light? |
| Answer» Can anything travel at speed of light? | |
| 9421. |
Why do aeroplanes have pressurised cabins for the passengers? |
|
Answer» Why do aeroplanes have pressurised cabins for the passengers? |
|
| 9422. |
No matter how far you stand from a mirror, your image appears erect. Which mirror are you most likely standing in front of? |
|
Answer» No matter how far you stand from a mirror, your image appears erect. Which mirror are you most likely standing in front of? |
|
| 9423. |
If mass and radius of the Earth are 6.0×1024 kg and 6.4×106 m respectively, calculate the force exerted by the Earth on a body of mass 1 kg. Also, calculate acceleration produced in the body of mass 1 kg and acceleration produced in the Earth. |
|
Answer» If mass and radius of the Earth are 6.0×1024 kg and 6.4×106 m respectively, calculate the force exerted by the Earth on a body of mass 1 kg. Also, calculate acceleration produced in the body of mass 1 kg and acceleration produced in the Earth. |
|
| 9424. |
It is given that the value of sinisinr when light enters from medium P to medium Q is less than 1.Then |
|
Answer» It is given that the value of sinisinr when light enters from medium P to medium Q is less than 1.Then |
|
| 9425. |
The mode of heat transfer between earth and sun is - |
|
Answer» The mode of heat transfer between earth and sun is - |
|
| 9426. |
Name the device to detect electric charge on a body. |
|
Answer» Name the device to detect electric charge on a body. |
|
| 9427. |
On what factor does the pitch of a sound depend? |
|
Answer» On what factor does the pitch of a sound depend? |
|
| 9428. |
A block weighing 400 N is placed on the ground. Calculate the pressure exerted by the block on the ground? |
|
Answer» A block weighing 400 N is placed on the ground. Calculate the pressure exerted by the block on the ground? |
|
| 9429. |
On which three factors does friction depends to move a stationary object |
| Answer» On which three factors does friction depends to move a stationary object | |
| 9430. |
Explain the meaning of the statement relative density of aluminium is 2.7 . |
|
Answer» Explain the meaning of the statement relative density of aluminium is 2.7 . |
|
| 9431. |
What is another name for the Big Dipper? |
|
Answer» What is another name for the Big Dipper? |
|
| 9432. |
A bird can sit on a bare wire and does not get an electric shock . But a man standing on the ground gets an electric shock .When he touches the same wire .Why? |
| Answer» A bird can sit on a bare wire and does not get an electric shock . But a man standing on the ground gets an electric shock .When he touches the same wire .Why? | |
| 9433. |
An empty density bottle weighs 30 g. When completely filled with water, it weighs 55 g and when completely filled with brine solution it weighs 55.5 g. Calculate: • Volume of the density bottle • Density of brine solution. |
|
Answer» An empty density bottle weighs 30 g. When completely filled with water, it weighs 55 g and when completely filled with brine solution it weighs 55.5 g. Calculate: • Volume of the density bottle • Density of brine solution. |
|
| 9434. |
The marked price of a music system is Rs. 9600. The sales tax is 5% for the same, then the bill price for the system will be: |
|
Answer» The marked price of a music system is Rs. 9600. The sales tax is 5% for the same, then the bill price for the system will be: |
|
| 9435. |
Calculate the force required to compress a spring by 50 cm, if the spring contant (k) =10 N/m. |
|
Answer» Calculate the force required to compress a spring by 50 cm, if the spring contant (k) =10 N/m. |
|
| 9436. |
(a) What is meant by the chemical effect of electric current ? Explain with the help of an example. (b) Name any two applications of the chemical effect of electric current. (c) What is electrolysis ? Explain why, in the electrolysis of water, 'acidified water' is used. |
|
Answer» (a) What is meant by the chemical effect of electric current ? Explain with the help of an example. |
|
| 9437. |
How does a sound making object differ from one that is silent? |
|
Answer» How does a sound making object differ from one that is silent? |
|
| 9438. |
A feminine voice has________compared to a male voice. |
|
Answer» A feminine voice has________compared to a male voice.
|
|
| 9439. |
Explain with diagram the purpose, construction and working of a lightning conductor. with [5 MARKS] |
|
Answer» Explain with diagram the purpose, construction and working of a lightning conductor. with [5 MARKS] |
|
| 9440. |
Electricity can be used to replace the fuel and power a rocket (using today's mechanism) just like an electric car? |
|
Answer» Electricity can be used to replace the fuel and power a rocket (using today's mechanism) just like an electric car? |
|
| 9441. |
(1) while you were on the Moon, would you be able to talk to each other? if not,then what is the alternative? (2) what is sonic boom ? how is it caused? What are its effect? |
|
Answer» (1) while you were on the Moon, would you be able to talk to each other? if not,then what is the alternative? (2) what is sonic boom ? how is it caused? What are its effect? |
|
| 9442. |
What happens when a virtual object is used as an image in convex mirror |
|
Answer» What happens when a virtual object is used as an image in convex mirror |
|
| 9443. |
How does a big heavy balloon with a basket full of people manage to float in the air |
|
Answer» How does a big heavy balloon with a basket full of people manage to float in the air |
|
| 9444. |
Which of the following options illustrate the advantageous effects of friction? |
|
Answer» Which of the following options illustrate the advantageous effects of friction? |
|
| 9445. |
We know that there is a huge amount of atmospheric pressure on us but we do not experience its effect. Why? |
|
Answer» We know that there is a huge amount of atmospheric pressure on us but we do not experience its effect. Why? |
|
| 9446. |
Varun is the Indian name of : |
|
Answer» Varun is the Indian name of : |
|
| 9447. |
Identify the ray diagram that shows the formation of an image by a plane mirror. |
|
Answer» Identify the ray diagram that shows the formation of an image by a plane mirror. |
|
| 9448. |
What is the magnification produced by a mirror when the image formed is half the size of the object? |
|
Answer» What is the magnification produced by a mirror when the image formed is half the size of the object? |
|
| 9449. |
Which of the following options are correct regarding myopia? |
|
Answer» Which of the following options are correct regarding myopia? |
|
| 9450. |
___ process is just the reverse of freezing. |
|
Answer» |
|
