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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.
| 1651. |
About the AU and the LIGHT YEAR. |
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Answer» About the AU and the LIGHT YEAR. |
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| 1652. |
Why does a brand new bicycle have shining handlebar and wheel rims? What will happen if these are accidentally scratched? |
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Answer» Why does a brand new bicycle have shining handlebar and wheel rims? What will happen if these are accidentally scratched? |
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| 1653. |
why does oil drop carry negative charge but not positive charge? |
| Answer» why does oil drop carry negative charge but not positive charge? | |
| 1654. |
Which of the following are the properties of a typical magnet? |
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Answer» Which of the following are the properties of a typical magnet? |
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| 1655. |
How does friction arise between two surfaces in contact? |
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Answer» How does friction arise between two surfaces in contact? |
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| 1656. |
Calculate the distance travelled by the object at a speed of 15 ms−1 for 2 seconds. |
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Answer» Calculate the distance travelled by the object at a speed of 15 ms−1 for 2 seconds. |
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| 1657. |
Why the size of circuit diagram is different in generator and motor |
| Answer» Why the size of circuit diagram is different in generator and motor | |
| 1658. |
Why same charges repel each other |
| Answer» Why same charges repel each other | |
| 1659. |
Varun is the Indian name of : |
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Answer» Varun is the Indian name of : |
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| 1660. |
Iqbal has to push a lighter box and Seema has to push a similar heavier box on the same floor. Who will have to apply a larger force and why? |
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Answer» Iqbal has to push a lighter box and Seema has to push a similar heavier box on the same floor. Who will have to apply a larger force and why? |
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| 1661. |
16. A body released from top of a tower of height h takes time t to reach the ground the position of the body at t/4 seconds is. |
| Answer» 16. A body released from top of a tower of height h takes time t to reach the ground the position of the body at t/4 seconds is. | |
| 1662. |
A pencil is placed next to a ruler such that the ends of it, are at 6.2 cm and 13.9 cm markings on the ruler. What is the length of the pencil? |
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Answer» A pencil is placed next to a ruler such that the ends of it, are at 6.2 cm and 13.9 cm markings on the ruler. What is the length of the pencil? |
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| 1663. |
Five sentences related to a topic are given below. Four of them can be put together to form a meaningful and coherent short paragraph. Identify tne odd one out.___ |
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Answer» Five sentences related to a topic are given below. Four of them can be put together to form a meaningful and coherent short paragraph. Identify tne odd one out. |
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| 1664. |
ghostly dust devils |
| Answer» ghostly dust devils | |
| 1665. |
Why does the burning of fossil fuels cause air pollution? |
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Answer» Why does the burning of fossil fuels cause air pollution? |
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| 1666. |
The picture given below shows the changes in two states of matter. Identify the process 'X', by which gas is converted to liquid. |
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Answer» The picture given below shows the changes in two states of matter. Identify the process 'X', by which gas is converted to liquid. |
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| 1667. |
Which of the following graphs shows the variation in density of water with the temperature in the range from 0 ∘C to 10 ∘C? |
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Answer» Which of the following graphs shows the variation in density of water with the temperature in the range from 0 ∘C to 10 ∘C? |
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| 1668. |
can a dipole experience ONLY COUPLE in non uniform electric field |
| Answer» can a dipole experience ONLY COUPLE in non uniform electric field | |
| 1669. |
Question 17We have learnt that vibration is necessary for producing sound. Explain why the sound produced by every vibrating body cannot be heard by us? |
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Answer» Question 17 We have learnt that vibration is necessary for producing sound. Explain why the sound produced by every vibrating body cannot be heard by us? |
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| 1670. |
92.A beam of light from a source L is incident normally on a plane mirror fixed at a certain distance x from the source L. When the mirror is rotated through a small angle theta L, the spot of the light is found to move through a distance y on the scale. The angle theta is given by-- (1) x/2y (2) x/y (3) y/2x |
| Answer» 92.A beam of light from a source L is incident normally on a plane mirror fixed at a certain distance x from the source L. When the mirror is rotated through a small angle theta L, the spot of the light is found to move through a distance y on the scale. The angle theta is given by-- (1) x/2y (2) x/y (3) y/2x | |
| 1671. |
How much time does the moon take to revolve around the earth earth. 27 or 29 days? |
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Answer» How much time does the moon take to revolve around the earth earth. 27 or 29 days? |
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| 1672. |
What is accommodation of charges? |
| Answer» What is accommodation of charges? | |
| 1673. |
A wire stretched between two fixed supports, is plucked exactly in the middle and then released. It executes ___. (neglect the resistance of the medium) |
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Answer» A wire stretched between two fixed supports, is plucked exactly in the middle and then released. It executes ___. (neglect the resistance of the medium) |
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| 1674. |
If the earth and moon are in a line with the sun then what phase of the moon can we see on earth? |
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Answer» If the earth and moon are in a line with the sun then what phase of the moon can we see on earth? |
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| 1675. |
Why metals have lusture and are ductile? |
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Answer» Why metals have lusture and are ductile? |
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| 1676. |
The eye can control the amount of light falling on the retina. Which part of the eye is responsible for this? |
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Answer» The eye can control the amount of light falling on the retina. Which part of the eye is responsible for this? |
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| 1677. |
Why is the Earth called as "the ocean of charges"? |
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Answer» Why is the Earth called as "the ocean of charges"? |
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| 1678. |
When butter is kept in the fridge, it is in ____ state. |
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Answer» When butter is kept in the fridge, it is in ____ state. |
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| 1679. |
Why is meant by liquid pressure? |
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Answer» Why is meant by liquid pressure? |
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| 1680. |
A small object stuck on the surface of a glass sphere (μ=1.5) is viewed from the diametrically opposite position. Considering the proper sign convention,find the position of image for given observer. |
Answer» A small object stuck on the surface of a glass sphere (μ=1.5) is viewed from the diametrically opposite position.  Considering the proper sign convention,find the position of image for given observer. |
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| 1681. |
Suppose that acceleration of a free fall at the surface of a distant planet was found to be equal to that at the surface of the Earth. If the diameter of the planet were twice the diameter of the Earth, then the ratio of mean density of the planet to that of the earth would be |
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Answer» Suppose that acceleration of a free fall at the surface of a distant planet was found to be equal to that at the surface of the Earth. If the diameter of the planet were twice the diameter of the Earth, then the ratio of mean density of the planet to that of the earth would be |
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| 1682. |
What is the unit of density? |
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Answer» What is the unit of density? |
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| 1683. |
The velocity-time graph for an object is given below. Find the total displacement for the duration of 16 s? |
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Answer» The velocity-time graph for an object is given below. Find the total displacement for the duration of 16 s? |
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| 1684. |
ntIf (x- 26)(53 + 52) / (53 - 52 ) = 1, then the value of x is -n ntA) 7n ntB) 4n ntC) 6n ntD) 5n |
| Answer» ntIf (x- 26)(53 + 52) / (53 - 52 ) = 1, then the value of x is -n ntA) 7n ntB) 4n ntC) 6n ntD) 5n | |
| 1685. |
how to identify a strong or a weak electrolyte? |
| Answer» how to identify a strong or a weak electrolyte? | |
| 1686. |
The pressure at a point in a liquid is depends on: |
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Answer» The pressure at a point in a liquid is depends on: |
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| 1687. |
What is the difference between Transerversal waves and Mexican wave? |
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Answer» What is the difference between Transerversal waves and Mexican wave? |
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| 1688. |
Image formed by a plane mirror is:(a) Virtual, behind the mirror and enlarged.(b) Virtual, behind the mirror and of the same size as the object.(c) Real at the surface of the mirror and enlarged.(d) Real, behind the mirror and of the same size as the object. |
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Answer» Image formed by a plane mirror is: (a) Virtual, behind the mirror and enlarged. (b) Virtual, behind the mirror and of the same size as the object. (c) Real at the surface of the mirror and enlarged. |
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| 1689. |
A ray incident on a plane mirror is reflected in a direction such that the angle between the incident and the reflected ray is 90 degree. What are the angles of incidence and reflection? |
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Answer» A ray incident on a plane mirror is reflected in a direction such that the angle between the incident and the reflected ray is 90 degree. What are the angles of incidence and reflection? |
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| 1690. |
The degree of hydrolysis of a salt of a weak acid and a weak base in its 0.1 M solution is found to be 50%. If the molarity of the solution is 0.2 M, the percentage hydrolysis of the salt should be a) 100%b) 50%c) 25%d) 75% |
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Answer» The degree of hydrolysis of a salt of a weak acid and a weak base in its 0.1 M solution is found to be 50%. If the molarity of the solution is 0.2 M, the percentage hydrolysis of the salt should be a) 100% b) 50% c) 25% d) 75% |
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| 1691. |
Choose the correct answer regarding luminous objects:Statement 1: Objects which emit light on their own are known as luminous objects.Statement 2: Luminous objects are responsible for our vision.Statement 3: Candle and earth are examples of luminous objects.Statement 4: Luminous objects emit their own light and also reflects the light falling on them from other light sources. |
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Answer» Choose the correct answer regarding luminous objects: |
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| 1692. |
An object 4.0 cm in size, is placed 30 cm away in front of concave mirror of focal length 20 cm. What will be the size of the image. |
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Answer» An object 4.0 cm in size, is placed 30 cm away in front of concave mirror of focal length 20 cm. What will be the size of the image. |
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| 1693. |
Brief the working of a metal detector and give two to three of its applications in daily life. |
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Answer» Brief the working of a metal detector and give two to three of its applications in daily life. |
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| 1694. |
Question 25What is the commercial unit of electrical energy? Represent it in terms of joules. |
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Answer» Question 25 What is the commercial unit of electrical energy? Represent it in terms of joules. |
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| 1695. |
A well of inner diameter 14m is dug out to a depth of 12m.Earth taken of it has been spread all around it to a width of 7m to form an embankment.Find the height of the embankment so formed. |
| Answer» A well of inner diameter 14m is dug out to a depth of 12m.Earth taken of it has been spread all around it to a width of 7m to form an embankment.Find the height of the embankment so formed. | |
| 1696. |
7.A particle is executing SHM with time period T1.If time period of it's kinetic energy is T2,then T1/T2 is A. 2 B. 1/2 C.1 D. 1/4 |
| Answer» 7.A particle is executing SHM with time period T1.If time period of it's kinetic energy is T2,then T1/T2 is A. 2 B. 1/2 C.1 D. 1/4 | |
| 1697. |
Explain how we can hear the sound through our ears. [5 MARKS] |
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Answer» Explain how we can hear the sound through our ears. [5 MARKS] |
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| 1698. |
6.Three point masses m each placed at the vertices of equilateral triangle. Find the force Acting on a particle m placed at the centre of the triangle And the force acting on the particle placed at the mid point of any vertices of triangle |
| Answer» 6.Three point masses m each placed at the vertices of equilateral triangle. Find the force Acting on a particle m placed at the centre of the triangle And the force acting on the particle placed at the mid point of any vertices of triangle | |
| 1699. |
when cathode rays are made to fall on a metal do they ionize the metal( ie does the metal aquire a positive charge?) in order to emmit neutral X-rays? |
| Answer» when cathode rays are made to fall on a metal do they ionize the metal( ie does the metal aquire a positive charge?) in order to emmit neutral X-rays? | |
| 1700. |
Does sun rotates? |
| Answer» Does sun rotates? | |
