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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.
| 5501. |
A 30 kg block rests on a rough horizontal surface . a force of 200 newton is applied on the block. the block acquires a speed of 4 m per second , starting from rest , in 2 second. what is the value of coefficient of friction? |
| Answer» A 30 kg block rests on a rough horizontal surface . a force of 200 newton is applied on the block. the block acquires a speed of 4 m per second , starting from rest , in 2 second. what is the value of coefficient of friction? | |
| 5502. |
What are the laws of liquid pressure? |
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Answer» What are the laws of liquid pressure? |
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| 5503. |
What is the flux through a conductor when a charge Q is placed inside it |
| Answer» What is the flux through a conductor when a charge Q is placed inside it | |
| 5504. |
What is an insulation tape made from? |
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Answer» What is an insulation tape made from? |
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| 5505. |
What we call the materials which pass electricity through them and which do not pass electricity through them? Give examples. [3 MARKS] |
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Answer» What we call the materials which pass electricity through them and which do not pass electricity through them? Give examples. |
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| 5506. |
The refractive index of a medium is 4/3 . If unpolarised light is incident on at the angle of polarisation, then angle of refraction will be |
| Answer» The refractive index of a medium is 4/3 . If unpolarised light is incident on at the angle of polarisation, then angle of refraction will be | |
| 5507. |
When do we say that 2 resistors are in parallel? |
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Answer» When do we say that 2 resistors are in parallel? |
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| 5508. |
How will you charge a glass rod by the method of friction? |
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Answer» How will you charge a glass rod by the method of friction? |
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| 5509. |
2. A plane mirror is made of glass slab (r.i=1.5) 2.5 cm thick and silvered on back.A point object is placed 5 cm in front of unsilvered face of mirror.what is the position of final image from unsilvered face? |
| Answer» 2. A plane mirror is made of glass slab (r.i=1.5) 2.5 cm thick and silvered on back.A point object is placed 5 cm in front of unsilvered face of mirror.what is the position of final image from unsilvered face? | |
| 5510. |
If for a spherical mirror object dis†an ce is u, image dis†an ce is v and focal length is f then correct relation for magnification m is |
| Answer» If for a spherical mirror object dis†an ce is u, image dis†an ce is v and focal length is f then correct relation for magnification m is | |
| 5511. |
If a body travels at a uniform velocity of u for t seconds and at a different velocity of v for the next t seconds, what is the total distance covered in 2t seconds? |
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Answer» If a body travels at a uniform velocity of u for t seconds and at a different velocity of v for the next t seconds, what is the total distance covered in 2t seconds? |
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| 5512. |
if radius of nth orbit is directly proportional to ( xEn ) then find value of x is ? |
| Answer» if radius of nth orbit is directly proportional to ( xEn ) then find value of x is ? | |
| 5513. |
Which one of the following solutions will not conduct electricity? (a) Lemon juice (b) Vinegar (c) Tap water (d) Vegetable oil |
Answer»
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| 5514. |
A small block slides ,without friction,down an inclined plane starting from rest .Let Sn be the distance travelled from t=(n-1) to t=n. Then Sn/Sn+1is |
| Answer» A small block slides ,without friction,down an inclined plane starting from rest .Let Sn be the distance travelled from t=(n-1) to t=n. Then Sn/Sn+1is | |
| 5515. |
A ball of mass 50g is dropped from a height of 20m. A boy on the ground hits the ball vertically upwards with a bat with an average force of 200N, so that it attains a vertical height of 45m. The time for which the ball remains in contact with the bat is (g= 10m/s^2) |
| Answer» A ball of mass 50g is dropped from a height of 20m. A boy on the ground hits the ball vertically upwards with a bat with an average force of 200N, so that it attains a vertical height of 45m. The time for which the ball remains in contact with the bat is (g= 10m/s^2) | |
| 5516. |
what exactly light is? |
| Answer» what exactly light is? | |
| 5517. |
Which of the following natural phenomena is the most destructive in terms of loss of life and property? |
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Answer» Which of the following natural phenomena is the most destructive in terms of loss of life and property? |
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| 5518. |
How many images of an object will be formed if the object is placed between two parallel plane mirrors? |
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Answer» How many images of an object will be formed if the object is placed between two parallel plane mirrors? |
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| 5519. |
1.A body starting From rest has an acceleration of 5 metre second square calculate the distance travelled by it in 4 second |
| Answer» 1.A body starting From rest has an acceleration of 5 metre second square calculate the distance travelled by it in 4 second | |
| 5520. |
Question 18An electric current is passed through a conducting solution. List any three possible observations. |
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Answer» Question 18 An electric current is passed through a conducting solution. List any three possible observations. |
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| 5521. |
If there was no friction then would a small force could have moved a very heavy object? For eg.by applying force of 2N could we had been able to move a 1000 kg block? |
| Answer» If there was no friction then would a small force could have moved a very heavy object? For eg.by applying force of 2N could we had been able to move a 1000 kg block? | |
| 5522. |
The vibration of a metal strip in air _____ |
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Answer» The vibration of a metal strip in air _____ |
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| 5523. |
A block of mass M is placed on a smooth wedge of inclination x^° the whole system is accelerated horizontally so that the block does not sleep on the ways the force exerted by the wedge on a block has a magnitude |
| Answer» A block of mass M is placed on a smooth wedge of inclination x^° the whole system is accelerated horizontally so that the block does not sleep on the ways the force exerted by the wedge on a block has a magnitude | |
| 5524. |
A 8-bit binary DAC produces ouput voltage of 2 V for a binary input (01100100). The output voltage for the binary input(10100010) is ______V.3.24 |
Answer» A 8-bit binary DAC produces ouput voltage of 2 V for a binary input (01100100). The output voltage for the binary input(10100010) is ______V.
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| 5525. |
An archery target has three regions formed by three concentric circles as shown in figure. If the diameters of the concentric circles are in the ratio 1:2:3, then find the ratio of the areas of three regions. |
Answer» An archery target has three regions formed by three concentric circles as shown in figure. If the diameters of the concentric circles are in the ratio 1:2:3, then find the ratio of the areas of three regions. |
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| 5526. |
The time period of a sound wave is 0.02 s. Find its frequency (in Hz)?50 |
Answer» The time period of a sound wave is 0.02 s. Find its frequency (in Hz)?
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| 5527. |
What are wheel and axle? Give two examples. |
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Answer» What are wheel and axle? Give two examples. |
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| 5528. |
two charges having same electric charge Q are placed on points A and B of an equilateral triangle ABC with side length 'a' each.Find the resul†an t electric field at point C |
| Answer» two charges having same electric charge Q are placed on points A and B of an equilateral triangle ABC with side length 'a' each.Find the resul†an t electric field at point C | |
| 5529. |
Find the value of m for which 5m ÷5−3 = 55. |
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Answer» Find
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| 5530. |
If your eye glasses have focal length 60 cm, what is your near point? [2 MARKS] |
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Answer» If your eye glasses have focal length 60 cm, what is your near point? [2 MARKS] |
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| 5531. |
A vessel of water is heated and covered with a lid. After sometime, droplets are formed on the lid. Explain which process is taking place here. |
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Answer» A vessel of water is heated and covered with a lid. After sometime, droplets are formed on the lid. Explain which process is taking place here. |
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| 5532. |
ntn ntQ. A tube of length L is filled completely with an incompressible liquid of mass M & closed at both the ends. The tube is then rotated in a horizontal plane about one of its ends with a uniform angular velocity . The force exerted by the liquid at the other end isn nt1) ML22/2n nt2) ML2/2n nt3) ML2/2n nt4) ML2n |
| Answer» ntn ntQ. A tube of length L is filled completely with an incompressible liquid of mass M & closed at both the ends. The tube is then rotated in a horizontal plane about one of its ends with a uniform angular velocity . The force exerted by the liquid at the other end isn nt1) ML22/2n nt2) ML2/2n nt3) ML2/2n nt4) ML2n | |
| 5533. |
a^x=c^q=b and c^y=a^z=d, then 1)xy=qz2)x/y=q/z3)x+y=q+z4)x-y=q-z |
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Answer» a^x=c^q=b and c^y=a^z=d, then 1)xy=qz 2)x/y=q/z 3)x+y=q+z 4)x-y=q-z |
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| 5534. |
Calculate the mechanical advantage of a screw whose radius is 9mm and pitch of 3 mm. |
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Answer» Calculate the mechanical advantage of a screw whose radius is 9mm and pitch of 3 mm. |
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| 5535. |
What is the formula for thrust? |
| Answer» What is the formula for thrust? | |
| 5536. |
Describe an experiment to show that sound can travel in a solid. |
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Answer» Describe an experiment to show that sound can travel in a solid. |
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| 5537. |
Degree of dissociation os Ca(NO3)2 in dilute aq. solution contain 6.0g of salt per 100g of water at 100 celsius is 70%. If the vapour pressure of water at 100 celsius is 760 mm of Hg, calculate the vapour pressure of solution. |
| Answer» Degree of dissociation os Ca(NO3)2 in dilute aq. solution contain 6.0g of salt per 100g of water at 100 celsius is 70%. If the vapour pressure of water at 100 celsius is 760 mm of Hg, calculate the vapour pressure of solution. | |
| 5538. |
Which of the following methods can increase friction? |
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Answer» Which of the following methods can increase friction? |
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| 5539. |
12.A uniform spring whose unstressed lenght is l has a force constant k.the Spring is cut into two peices of unstressed lenghts l' and l" where l'=nl" where n being an integer.now a mass m is made to oscillate with first spring. the time period of oscillation will be |
| Answer» 12.A uniform spring whose unstressed lenght is l has a force constant k.the Spring is cut into two peices of unstressed lenghts l' and l" where l'=nl" where n being an integer.now a mass m is made to oscillate with first spring. the time period of oscillation will be | |
| 5540. |
Why is it more difficult to pull a boat on the beach than on the sea?? |
| Answer» Why is it more difficult to pull a boat on the beach than on the sea?? | |
| 5541. |
Why does distilled water not conduct electricity, whereas rainwater does? |
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Answer» Why does distilled water not conduct electricity, whereas rainwater does? |
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| 5542. |
Two blocks A and B of masses 0.3 kg and 0.4 kg respectively are stuck to each other by some weak glueas shown is the figure. They hang together at end of a spring with a spring constant k 200 N/m. The blockB suddenly falls free due to failure of glue.for |
| Answer» Two blocks A and B of masses 0.3 kg and 0.4 kg respectively are stuck to each other by some weak glueas shown is the figure. They hang together at end of a spring with a spring constant k 200 N/m. The blockB suddenly falls free due to failure of glue.for | |
| 5543. |
Which objects can you not see in a dark night−luminous objects or non-luminous objects? |
| Answer» Which objects can you not see in a dark night−luminous objects or non-luminous objects? | |
| 5544. |
Two charges repel each other with a force of 200 N. One of the charges is increased by 20% and other is reduced by 10%. The new repulsive force at same distance would be Optionsa) 200 Nb) 216 Nc) 300 Nd) 316 N |
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Answer» Two charges repel each other with a force of 200 N. One of the charges is increased by 20% and other is reduced by 10%. The new repulsive force at same distance would be Options a) 200 N b) 216 N c) 300 N d) 316 N |
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| 5545. |
Is mean absolute error also the maximum permissible error in any instrument.Is the mean absolute error also equal to the least count of an instrument ? |
| Answer» Is mean absolute error also the maximum permissible error in any instrument.Is the mean absolute error also equal to the least count of an instrument ? | |
| 5546. |
The distance between a compression and the next rarefaction will be: λ: Wavelength |
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Answer» The distance between a compression and the next rarefaction will be: |
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| 5547. |
A rod of length 10 cm lies along the principal axis of a concave mirror of focal length 10 cm in such a way that its end closer to the pole is 20 cm away from the mirror. The length of the image is :-(1)2.5 cm(2)5 cm(3)10 cm(4)15 cm |
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Answer» A rod of length 10 cm lies along the principal axis of a concave mirror of focal length 10 cm in such a way that its end closer to the pole is 20 cm away from the mirror. The length of the image is :- (1)2.5 cm (2)5 cm (3)10 cm (4)15 cm |
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| 5548. |
A non conducting sphere of density row , acavity of radius r is removed .find electric feild at any point inside the cavity |
| Answer» A non conducting sphere of density row , acavity of radius r is removed .find electric feild at any point inside the cavity | |
| 5549. |
At what height g beco es half of the earth surface |
| Answer» At what height g beco es half of the earth surface | |
| 5550. |
The tilt of Earth's axis with respect to its orbital plane is responsible for ___. |
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Answer» The tilt of Earth's axis with respect to its orbital plane is responsible for ___. |
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