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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.
| 951. |
The magnetic field lines which are parallel and equidistant are called |
| Answer» The magnetic field lines which are parallel and equidistant are called | |
| 952. |
in a new system of units 5 times speed of light in vacuum is taken as unit of distance. if light takes 8 mins 20 s to reach earth from sun then distance btw earth and sun in new system of units is |
| Answer» in a new system of units 5 times speed of light in vacuum is taken as unit of distance. if light takes 8 mins 20 s to reach earth from sun then distance btw earth and sun in new system of units is | |
| 953. |
A very long magnet is held vertically with its South pole on a table.where is the single neutral point located on the table? |
| Answer» A very long magnet is held vertically with its South pole on a table.where is the single neutral point located on the table? | |
| 954. |
An oily patch on the blotting paper during the paper test indicates the presence of _______. |
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Answer» An oily patch on the blotting paper during the paper test indicates the presence of _______. |
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| 955. |
Concept of Kinetic energy |
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Answer» Concept of Kinetic energy |
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| 956. |
What is meant by internal resistance in circuit ? |
| Answer» What is meant by internal resistance in circuit ? | |
| 957. |
A toy train is moving along a track as shown below: Its motion can be classified as |
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Answer» A toy train is moving along a track as shown below:
Its motion can be classified as |
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| 958. |
Time period ofva satellite to very close to earth's surface,around the earth is approximatel |
| Answer» Time period ofva satellite to very close to earth's surface,around the earth is approximatel | |
| 959. |
if a body has power p mass m than at any time t its mommentum is given as |
| Answer» if a body has power p mass m than at any time t its mommentum is given as | |
| 960. |
In your daily life, it is essential to measure everything very accurately. True or false? |
| Answer» In your daily life, it is essential to measure everything very accurately. True or false? | |
| 961. |
Like poles ___ each other. |
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Answer» Like poles |
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| 962. |
why pseudo force are also called inertial force? |
| Answer» why pseudo force are also called inertial force? | |
| 963. |
a cell can be balanced against 110 cm and 100 cm of potentiometer wire, respectively with and without being short circuited through a resistance of 10 ohm its internal resistance is |
| Answer» a cell can be balanced against 110 cm and 100 cm of potentiometer wire, respectively with and without being short circuited through a resistance of 10 ohm its internal resistance is | |
| 964. |
Which of the following is not a magnetic material?(a) gold(b) nickel(c) iron(d) cobalt |
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Answer» Which of the following is not a magnetic material? |
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| 965. |
1 km= ___ cm. |
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Answer» 1 km= ___ cm. |
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| 966. |
Question 11 Will the bulb glow in the circuit shown in Fig.? Explain. What can be done to light the bulb? |
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Answer» Question 11 Will the bulb glow in the circuit shown in Fig.? Explain. What can be done to light the bulb?
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| 967. |
If a person at equator of earth feels that his weight is reduced by a factor of two of the present weight at equator of earth. Then duration ofday will be approximately (a)1.41 hours (b)2 hours (c)1.66 hours (d2.67 hours |
| Answer» If a person at equator of earth feels that his weight is reduced by a factor of two of the present weight at equator of earth. Then duration ofday will be approximately (a)1.41 hours (b)2 hours (c)1.66 hours (d2.67 hours | |
| 968. |
The volume of water to be added to 100 cm3 of a 0.5 N H2SO4 to get a decinormal solution is: |
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Answer» The volume of water to be added to 100 cm3 of a 0.5 N H2SO4 to get a decinormal solution is: |
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| 969. |
Question 9A body is falling from a height h, after it has fallen a height h2, it will possess(a) only potential energy(b) only kinetic energy(c) half potential and half kinetic energy(d) more kinetic and less potential energy |
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Answer» Question 9 |
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| 970. |
Why is pulling considered easier than pushing even when the same force is applied? |
| Answer» Why is pulling considered easier than pushing even when the same force is applied? | |
| 971. |
Which of these materials can be used to make the needle of a compass?(a) copper(b) aluminium(c) steel(d) gold |
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Answer» Which of these materials can be used to make the needle of a compass? (a) copper (b) aluminium (c) steel (d) gold |
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| 972. |
Arrange the following events in the correct order: Reflected light enters our eye Image formation Light from a source Object reflects light Light falls on an object |
Answer» Arrange the following events in the correct order:
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| 973. |
The most effective and quickest way of making a magnet from soft iron is by: |
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Answer» The most effective and quickest way of making a magnet from soft iron is by: |
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| 974. |
47. A bubble of air underwater at temperature 15^° C and the pressure 1.5 bar . If the bubble rises to the surface where the temperature is 25^° C and the pressure is 1.0 bar what will happen to the volume of the bubble ? 1- vol will become smaller by a factor of 0.70 2- vol will become greater by a factor of 2.5 3- vol will become greater by a factor of 1.6 4- vol will become greater by a factor of 1.1 |
| Answer» 47. A bubble of air underwater at temperature 15^° C and the pressure 1.5 bar . If the bubble rises to the surface where the temperature is 25^° C and the pressure is 1.0 bar what will happen to the volume of the bubble ? 1- vol will become smaller by a factor of 0.70 2- vol will become greater by a factor of 2.5 3- vol will become greater by a factor of 1.6 4- vol will become greater by a factor of 1.1 | |
| 975. |
Which of the following is a magnetic substance? |
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Answer» Which of the following is a magnetic substance? |
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| 976. |
V= a I cap +bx j cap find relation of path |
| Answer» V= a I cap +bx j cap find relation of path | |
| 977. |
FIND n(A∪ B∪ C) |
| Answer» FIND n(A∪ B∪ C) | |
| 978. |
The earth's magnetic field at geomagnetic poles has a magnitude 8×10^{-5} T. Find the magnitude and the direction of the field at a point on the earth's surface where the radius makes an angle of 120^° with the axis of the earth' assumed magnetic dipole. What is the inclination (dip) at this point? Explain with detailed diagrams |
| Answer» The earth's magnetic field at geomagnetic poles has a magnitude 8×10^{-5} T. Find the magnitude and the direction of the field at a point on the earth's surface where the radius makes an angle of 120^° with the axis of the earth' assumed magnetic dipole. What is the inclination (dip) at this point? Explain with detailed diagrams | |
| 979. |
why compass show only north pole |
| Answer» why compass show only north pole | |
| 980. |
Suppose you are running down a street . Are the houses on the street at rest or in motion relative to you? |
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Answer» Suppose you are running down a street . Are the houses on the street at rest or in motion relative to you? |
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| 981. |
What are Conventional sources of energy? |
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Answer» What are Conventional sources of energy? |
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| 982. |
Q. When length of a wire is increased by 10% then percentage increase in resis†an ce ? |
| Answer» Q. When length of a wire is increased by 10% then percentage increase in resis†an ce ? | |
| 983. |
Why are maglev trains faster than high speed trains? |
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Answer» Why are maglev trains faster than high speed trains? |
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| 984. |
The Whithworth quick return mechanism is shown in the figure with link lengths as follows: OP=300 mm, OA=150 mm, AR=160 mm, RS=450 mm.The quick return ratio for the mechanism is . [Round off to one decimal place] |
Answer» The Whithworth quick return mechanism is shown in the figure with link lengths as follows: OP=300 mm, OA=150 mm, AR=160 mm, RS=450 mm. The quick return ratio for the mechanism is |
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| 985. |
dimensional formula of magnetic dipole moment |
| Answer» dimensional formula of magnetic dipole moment | |
| 986. |
The direction in which the magnets align themselves when suspended in air is- |
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Answer» The direction in which the magnets align themselves when suspended in air is- |
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| 987. |
What is a parallax error? |
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Answer» What is a parallax error? |
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| 988. |
Potential energy of certain spring when strechedthrough x distance is 10 J. Amount of workdone onthis spring to stretch it through a distance 2xwill be |
| Answer» Potential energy of certain spring when strechedthrough x distance is 10 J. Amount of workdone onthis spring to stretch it through a distance 2xwill be | |
| 989. |
The mass of the earth is 80 times the mass of the Moon and the distance between their centres is 60 times the radius of the earth. How far is the centre of mass of the earth-moon system from the earth? The radius of the earth is 6400km. |
| Answer» The mass of the earth is 80 times the mass of the Moon and the distance between their centres is 60 times the radius of the earth. How far is the centre of mass of the earth-moon system from the earth? The radius of the earth is 6400km. | |
| 990. |
When a car a thunderstorm does it affects its electronic components |
| Answer» When a car a thunderstorm does it affects its electronic components | |
| 991. |
Explain why sportsmen use shoes with spikes. |
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Answer» Explain why sportsmen use shoes with spikes. |
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| 992. |
Why is it recommended that magnets be stored with keepers? |
| Answer» Why is it recommended that magnets be stored with keepers? | |
| 993. |
Give reasons why : (a) Travelling bags have wheels. (b) Iron pipes are fitted on an inclined plane for pushing up heavy loads. (c) We should take care of machines. (d) We should use a pulley to draw water from a well. |
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Answer» Give reasons why : (a) Travelling bags have wheels. (b) Iron pipes are fitted on an inclined plane for pushing up heavy loads. (c) We should take care of machines. (d) We should use a pulley to draw water from a well. |
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| 994. |
A person takes T1 second on the stationary escalator to cover some dis†an ce. The person takes T2 second in the moving escalator to cover same dis†an ce by same velocity. If person is at rest on the escalator then time taken by him to cover same dis†an ce i |
| Answer» A person takes T1 second on the stationary escalator to cover some dis†an ce. The person takes T2 second in the moving escalator to cover same dis†an ce by same velocity. If person is at rest on the escalator then time taken by him to cover same dis†an ce i | |
| 995. |
Suppose the moon emits light of its own. Which of the following statements are false? |
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Answer» Suppose the moon emits light of its own. Which of the following statements are false? |
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| 996. |
The point about which the lever rotates is called______. |
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Answer» The point about which the lever rotates is called______. |
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| 997. |
Explain the structure and mechanism of a screw. |
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Answer» Explain the structure and mechanism of a screw. |
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| 998. |
What will be the area covered by the given figure, if area of each square grid is 1 sq.cm? |
Answer» What will be the area covered by the given figure, if area of each square grid is 1 sq.cm? |
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| 999. |
a bicycle comes to skidding stop in 5m.During this process force on bicycle due to road is 100N and directly opposite to motion .The workdone by cycle on road i |
| Answer» a bicycle comes to skidding stop in 5m.During this process force on bicycle due to road is 100N and directly opposite to motion .The workdone by cycle on road i | |
| 1000. |
when a piece of wax of mass 20 mg is attached to the upper pole of a magnetic needle of a DIP circle in magnetic meridian the needle becomes horizontal if angle of death is 45 degree and magnetic field intensity of earth at that place h is equal to 40 ampere per metre .Find the pole strength of the needle?? |
| Answer» when a piece of wax of mass 20 mg is attached to the upper pole of a magnetic needle of a DIP circle in magnetic meridian the needle becomes horizontal if angle of death is 45 degree and magnetic field intensity of earth at that place h is equal to 40 ampere per metre .Find the pole strength of the needle?? | |
