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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.
| 851. |
calculate the force required to increase length by 1% of a rod of area of cross section 10^-3m^2.modulus of elasticity is 1.2*10^12N/m^2 |
| Answer» calculate the force required to increase length by 1% of a rod of area of cross section 10^-3m^2.modulus of elasticity is 1.2*10^12N/m^2 | |
| 852. |
20.Explain Twinkling of star with a help of a diagram. |
| Answer» 20.Explain Twinkling of star with a help of a diagram. | |
| 853. |
Question 30State Ohm’s law? How can it be verified experimentally? Does it hold good under all conditions? Comment on it. |
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Answer» Question 30 |
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| 854. |
The time between one full moon to the next full moon is called ___. |
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Answer» The time between one full moon to the next full moon is called |
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| 855. |
___ is the ratio of the height of the image to the height of the object. |
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Answer» ___ is the ratio of the height of the image to the height of the object. |
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| 856. |
Question 2 (i) Fill in the blank: One metre is ___ cm. |
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Answer» Question 2 (i) Fill in the blank: |
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| 857. |
A man carries a buccket of water in one hand and a live fish in another hand.If he drops the fish in the beccket, will he carry less weight ? Why ? |
| Answer» A man carries a buccket of water in one hand and a live fish in another hand.If he drops the fish in the beccket, will he carry less weight ? Why ? | |
| 858. |
Which of the following is not matter?(a) water(b) air(c) sound(d) fruits |
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Answer» Which of the following is not matter? (a) water (b) air (c) sound (d) fruits |
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| 859. |
Can a shadow be formed without a screen? |
| Answer» Can a shadow be formed without a screen? | |
| 860. |
A particle moves along x axis from x=0 to x=5m under the influence of a force 7-2x+3x2.The work done in the process |
| Answer» A particle moves along x axis from x=0 to x=5m under the influence of a force 7-2x+3x2.The work done in the process | |
| 861. |
Which of the following is/are a property of a typical magnet? |
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Answer» Which of the following is/are a property of a typical magnet? |
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| 862. |
What are the specialties of PLUTO?What is the reason that PLUTO is not counted in the solar system?Does any other galaxies contain other solar system like ours? |
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Answer» What are the specialties of PLUTO? What is the reason that PLUTO is not counted in the solar system? Does any other galaxies contain other solar system like ours? |
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| 863. |
N identical capacitors are connected in parallel to a source of PD V. Without disturbing their charges,these capacitors are connected in series. The PD obtained is ? |
| Answer» N identical capacitors are connected in parallel to a source of PD V. Without disturbing their charges,these capacitors are connected in series. The PD obtained is ? | |
| 864. |
Why don’t two magnetic field lines intersect each other? |
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Answer» Why don’t two magnetic field lines intersect each other? |
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| 865. |
The force of gravity between two planets three units apart is ____ of the force as they were one unit apart. |
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Answer» The force of gravity between two planets three units apart is ____ of the force as they were one unit apart. |
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| 866. |
For a colour coded carbon resistance, initial three bands are red and fourth band is silver. Its resistance is |
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Answer» For a colour coded carbon resistance, initial three bands are red and fourth band is silver. Its resistance is |
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| 867. |
A satellite appears to be at rest when seen fromthe equator. Its height from earth surface is nearly |
| Answer» A satellite appears to be at rest when seen fromthe equator. Its height from earth surface is nearly | |
| 868. |
In which of the following is there no change in the direction of movement of the body?(a) rotational motion(b) curvilinear motion(c) periodic motion(d) rectilinear motion |
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Answer» In which of the following is there no change in the direction of movement of the body? (a) rotational motion (b) curvilinear motion (c) periodic motion (d) rectilinear motion |
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| 869. |
Why is it that the birds flying in the sky do not cast their shadow on the earth? |
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Answer» Why is it that the birds flying in the sky do not cast their shadow on the earth? |
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| 870. |
On a weekend Himanshu went out on a long drive. From 10:00 PM to 11:00 PM he drove at 40 km/h and from 11:00 PM to 12 midnight at 50 km/h. Using the formula for speed, calculate the average speed of Himanshu from 10:00 PM to 12 midnight? |
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Answer» On a weekend Himanshu went out on a long drive. From 10:00 PM to 11:00 PM he drove at 40 km/h and from 11:00 PM to 12 midnight at 50 km/h. Using the formula for speed, calculate the average speed of Himanshu from 10:00 PM to 12 midnight? |
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| 871. |
A compass needle is kept in the centre of a bar magnet. Which of the following is true?(a) It will point in the north-south direction.(b) It will align itself along the length of the magnet with its N pole towards the N pole of the magnet.(c) It will not point in any specific direction.(d) It will align itself along the length of the magnet with its S pole towards the N pole of the magnet. |
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Answer» A compass needle is kept in the centre of a bar magnet. Which of the following is true? (a) It will point in the north-south direction. (b) It will align itself along the length of the magnet with its N pole towards the N pole of the magnet. (c) It will not point in any specific direction. (d) It will align itself along the length of the magnet with its S pole towards the N pole of the magnet. |
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| 872. |
___ is a property by virtue of which a substance either attracts or repels the same substance. |
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Answer» ___ is a property by virtue of which a substance either attracts or repels the same substance. |
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| 873. |
what is the effective length of magnet? |
| Answer» what is the effective length of magnet? | |
| 874. |
A magnet attracts: |
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Answer» A magnet attracts: |
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| 875. |
What is the role of fuse, used in series with any electrical appliance? Why should a fuse with defined rating not be replaced by one with a larger rating? |
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Answer» What is the role of fuse, used in series with any electrical appliance? Why should a fuse with defined rating not be replaced by one with a larger rating? |
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| 876. |
Write the answers to the following questions in your own words.(a) What is meant by simple machines?(b) Mention the advantages of using a machine.(c) What is meant by complex machines?(d) What is a lever ? How are the orders of the lever determined? |
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Answer» Write the answers to the following questions in your own words. (a) What is meant by simple machines? (b) Mention the advantages of using a machine. (c) What is meant by complex machines? (d) What is a lever ? How are the orders of the lever determined? |
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| 877. |
The ratio of the e/m value of a proton and an α-particle is: |
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Answer» The ratio of the e/m value of a proton and an α-particle is: |
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| 878. |
What happens when seven components of whilte light are passed through blue flame |
| Answer» What happens when seven components of whilte light are passed through blue flame | |
| 879. |
What kind of motion does a pendulum have?(a) rotational motion(b) rectilinear motion(c) periodic motion(d) non-periodic motion |
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Answer» What kind of motion does a pendulum have? (a) rotational motion (b) rectilinear motion (c) periodic motion (d) non-periodic motion |
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| 880. |
What is the need of standard unit for measurements? |
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Answer» What is the need of standard unit for measurements? |
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| 881. |
A student performs experiment with simple pendulum and measures time for 10 vibrations.If he measures time for 100 vibrations the relative error in measurement of time period will be reduced by |
| Answer» A student performs experiment with simple pendulum and measures time for 10 vibrations.If he measures time for 100 vibrations the relative error in measurement of time period will be reduced by | |
| 882. |
वचनानुसारं रिक्तस्थानानि पूरयत- एकवचनम् द्विचनम् बहुवचनम् यथा- लता लते लताः गीता ............... ............... ............... पेटिके .............. ............... ............... खट्वाः सा ............... ............... ............. रोटिके .............. |
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Answer» वचनानुसारं रिक्तस्थानानि पूरयत-
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| 883. |
What is motion when do we say an object is moving |
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Answer» What is motion when do we say an object is moving |
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| 884. |
A dry cell, once exhausted, cannot be used again. However, some other cells can be used again by charging them. Name two such cells. |
| Answer» A dry cell, once exhausted, cannot be used again. However, some other cells can be used again by charging them. Name two such cells. | |
| 885. |
There are various types of galaxies in the Universe. Analyse the pictures in the options given below and identify which of the images is of the "Barred Spiral" type galaxy? |
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Answer» There are various types of galaxies in the Universe. Analyse the pictures in the options given below and identify which of the images is of the "Barred Spiral" type galaxy? |
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| 886. |
The Zero-sequence circuit of the three phase transformer shown in the figure is |
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Answer» The Zero-sequence circuit of the three phase transformer shown in the figure is |
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| 887. |
The large gap between the orbits of Mars and Jupiter is occupied by a large number of small objects that revolve around the sun. What are these small objects called? |
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Answer» The large gap between the orbits of Mars and Jupiter is occupied by a large number of small objects that revolve around the sun. What are these small objects called? |
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| 888. |
a particle moves in x-y plane according to x= a sin(omega)t and y= a cos(omega)thow does the particle follow circular path? |
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Answer» a particle moves in x-y plane according to x= a sin(omega)t and y= a cos(omega)t how does the particle follow circular path? |
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| 889. |
Which level of the liquid should be considered for taking the reading of volume in the following images? |
Answer» Which level of the liquid should be considered for taking the reading of volume in the following images? |
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| 890. |
what is the electric field of an infinite striaght wire at its perpendicular bisector? |
| Answer» what is the electric field of an infinite striaght wire at its perpendicular bisector? | |
| 891. |
Mild sunburn is an example of: |
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Answer» Mild sunburn is an example of: |
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| 892. |
A car goes on a horizontal circular road of radius R and the speed of the car is increasing at a constant rate α . If coefficient of friction between the road and the tyre is μ , then the speed at which carwill skid is |
| Answer» A car goes on a horizontal circular road of radius R and the speed of the car is increasing at a constant rate α . If coefficient of friction between the road and the tyre is μ , then the speed at which carwill skid is | |
| 893. |
A force of 20 N is applied on a block but it doesn't move. What is the frictional force on the block? |
| Answer» A force of 20 N is applied on a block but it doesn't move. What is the frictional force on the block? | |
| 894. |
Is it always necessary for any two objects to be in direct contact with each other for the application of force between them? If not, describe such forces. |
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Answer» Is it always necessary for any two objects to be in direct contact with each other for the application of force between them? If not, describe such forces. |
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| 895. |
Choose the correct expression for Mechanical Advantage(M.A). |
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Answer» Choose the correct expression for Mechanical Advantage(M.A). |
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| 896. |
Four cars A, B, C and D are moving on a levelled road. Their distance versus time graphs are shown in fig. Choose the correct statement |
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Answer» Four cars A, B, C and D are moving on a levelled road. Their distance versus time graphs are shown in fig. Choose the correct statement |
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| 897. |
what is the time period for geostationary satellite and polar satellite ? |
| Answer» what is the time period for geostationary satellite and polar satellite ? | |
| 898. |
Why do tyres of motor vehicles have patterns of grooves or ‘treads’? What would happen if tyres were smooth? |
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Answer» Why do tyres of motor vehicles have patterns of grooves or ‘treads’? What would happen if tyres were smooth? |
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| 899. |
You are given four pulleys and three strings. Draw a neat and labelled diagram to use them so as to obtain a maximum mechanial advantage equal to 8. In your diagram mark the directions of load L, effort E and tension in each strand.What assumptions have you made to obtain the required mechanical advantage ? |
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Answer» You are given four pulleys and three strings. Draw a neat and labelled diagram to use them so as to obtain a maximum mechanial advantage equal to 8. In your diagram mark the directions of load L, effort E and tension in each strand. What assumptions have you made to obtain the required mechanical advantage ? |
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| 900. |
Is it true that all the metals are magnetic in nature? Explain with an example. |
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Answer» Is it true that all the metals are magnetic in nature? Explain with an example. |
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