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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.
| 751. |
What is the derivation for circular motion |
| Answer» What is the derivation for circular motion | |
| 752. |
150 rupees is divided equally among 4 people. How many rupees and how many paise does each get? |
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Answer» 150 rupees is divided equally among 4 people. How many rupees and how many paise does each get? |
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| 753. |
Four children measured the length of a table which was about 2 m. Each of them used different ways to measure it.(i) Sam measured it with a half metre long thread.(ii) Ram with a 15 cm scale from her geometry box.(iii) Reena measured it using her hand span.(iv) Salim measured it using a 5 m long measuring tape.Which one of them would get the most accurate length? Give reason for your answer. |
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Answer» Four children measured the length of a table which was about 2 m. Each of them used different ways to measure it. (i) Sam measured it with a half metre long thread. (ii) Ram with a 15 cm scale from her geometry box. (iii) Reena measured it using her hand span. (iv) Salim measured it using a 5 m long measuring tape. Which one of them would get the most accurate length? Give reason for your answer. |
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| 754. |
Which of the following does not affect the magnetic properties of a magnet? |
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Answer» Which of the following does not affect the magnetic properties of a magnet? |
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| 755. |
Two circular coils mounted parallel to each other on the same axis carry steady currents .If an observer between the coils reports that one coil carrying a clockwise current i, while other is carrying a counter clockwise current i, between the two coils , then there is1)steady repulsive force2)zero force3)repulsive force4)a steady attractive force |
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Answer» Two circular coils mounted parallel to each other on the same axis carry steady currents .If an observer between the coils reports that one coil carrying a clockwise current i, while other is carrying a counter clockwise current i, between the two coils , then there is 1)steady repulsive force 2)zero force 3)repulsive force 4)a steady attractive force |
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| 756. |
The image formed in a pinhole camera is always(a) erect and of the same size as the object.(b) erect and either smaller or bigger or of the same size as the object.(c) inverted and of the same size as the object.(d) inverted and either smaller or bigger or of the same size as the object. |
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Answer» The image formed in a pinhole camera is always (a) erect and of the same size as the object. (b) erect and either smaller or bigger or of the same size as the object. (c) inverted and of the same size as the object. (d) inverted and either smaller or bigger or of the same size as the object. |
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| 757. |
What did Anandi see outside her window? Was she happy to see the rainbow? What are the colours of the rainbow? |
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| 758. |
Can a path of a closed electric circuit be changed? |
| Answer» Can a path of a closed electric circuit be changed? | |
| 759. |
Question 22How is sound produced and how is it transmitted and heard by us? |
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Answer» Question 22 How is sound produced and how is it transmitted and heard by us? |
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| 760. |
Can a magnetic north pole exist without a magnetic south pole? |
| Answer» Can a magnetic north pole exist without a magnetic south pole? | |
| 761. |
What is hermitian and skew hermitian matix. |
| Answer» What is hermitian and skew hermitian matix. | |
| 762. |
Do all parts of a magnet have equal magnetic strength? Justify your answer with reference to a bar magnet and a horseshoe magnet. |
| Answer» Do all parts of a magnet have equal magnetic strength? Justify your answer with reference to a bar magnet and a horseshoe magnet. | |
| 763. |
Q.One of the rectangular components of a force of 40N is 20N .Find the angle it makes with this component. |
| Answer» Q.One of the rectangular components of a force of 40N is 20N .Find the angle it makes with this component. | |
| 764. |
Why does a solar eclipse always occur on a new moon day? |
| Answer» Why does a solar eclipse always occur on a new moon day? | |
| 765. |
इस पुस्तक के अपने पसंदीदा पाठ के किसी अंश को पटकथा में रूपातंरित कीजिए। |
| Answer» इस पुस्तक के अपने पसंदीदा पाठ के किसी अंश को पटकथा में रूपातंरित कीजिए। | |
| 766. |
An object moves in such a way that the distance is always constant. This motion of the object can be: |
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Answer» An object moves in such a way that the distance is always constant. This motion of the object can be: |
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| 767. |
There are ___ major parts of a lever. |
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Answer» There are ___ major parts of a lever. |
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| 768. |
A bulb should be connected to __________, for it to glow |
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Answer» A bulb should be connected to __________, for it to glow |
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| 769. |
Why inside the conductor electric field is zero |
| Answer» Why inside the conductor electric field is zero | |
| 770. |
how external force=△ P/△ |
| Answer» how external force=△ P/△ | |
| 771. |
Which is the biggest source of heat for earth? |
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Answer» Which is the biggest source of heat for earth? |
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| 772. |
As we move a body away from the torch light towards the screen, its image size _______. |
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Answer» As we move a body away from the torch light towards the screen, its image size _______. |
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| 773. |
Give one example each of a class I lever where mechanical advantage is (a) more than 1, and (b) less than 1. |
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Answer» Give one example each of a class I lever where mechanical advantage is (a) more than 1, and (b) less than 1. |
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| 774. |
What are conductors and insulators? [3 MARKS] Classify the following as conductors and insulators: Wood, plastic, copper, rubber, silver, iron, glass, steel, distilled water, tap water, sea water |
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Answer» What are conductors and insulators? [3 MARKS] |
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| 775. |
Question 22 A football match is being played at night in a stadium with flood lights ON. You can see the shadow of a football kept on the ground but cannot see its shadow when it is kicked high in the air. Explain. |
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Answer» Question 22 A football match is being played at night in a stadium with flood lights ON. You can see the shadow of a football kept on the ground but cannot see its shadow when it is kicked high in the air. Explain. |
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| 776. |
A car travels 36 km in 2 hours. Its average speed is: |
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Answer» A car travels 36 km in 2 hours. Its average speed is: |
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| 777. |
What is an annular solar eclipse? |
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Answer» What is an annular solar eclipse? |
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| 778. |
Every periodic motion is a uniform motion. Explain. |
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Answer» Every periodic motion is a uniform motion. Explain. |
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| 779. |
The actual representation of a structure is given below.If the length of the base in a scale drawing is 2 inch, find the area of the scale drawing of the structure. |
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Answer» The actual representation of a structure is given below. |
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| 780. |
Starting from A, Paheli moves along a rectangular path ABCD as shown in figure. She takes 2 minutes to travel each side. Plot a distance-time graph and explain whether the motion is uniform or non-uniform. |
Answer» Starting from A, Paheli moves along a rectangular path ABCD as shown in figure. She takes 2 minutes to travel each side. Plot a distance-time graph and explain whether the motion is uniform or non-uniform. |
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| 781. |
Matt has a magnetic compass which is pointing in the north-south direction. He brings a large magnet close to it. In which direction would the magnetic needle align? |
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Answer» Matt has a magnetic compass which is pointing in the north-south direction. He brings a large magnet close to it. In which direction would the magnetic needle align? |
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| 782. |
wha is a psuedo force |
| Answer» wha is a psuedo force | |
| 783. |
Why should we not join the two terminals of an electric cell directly by a wire? |
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Answer» Why should we not join the two terminals of an electric cell directly by a wire? |
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| 784. |
Reflection of light takes place when light falls on: |
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Answer» Reflection of light takes place when light falls on: |
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| 785. |
The standard units of mass, length and time are the same in the MKS and the SI systems. True or false? |
| Answer» The standard units of mass, length and time are the same in the MKS and the SI systems. True or false? | |
| 786. |
Which of the following statement is true about magnets? |
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Answer» Which of the following statement is true about magnets? |
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| 787. |
Explain the following :A.Why are the tyres of vehicles treaded?B. Why do we use spiked shoes while playing sports? [ 3 MARKS ] |
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Answer» Explain the following :
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| 788. |
What do we call a body that shines on its own? |
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Answer» What do we call a body that shines on its own? |
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| 789. |
Question 13 A torch requires 3 cells. Show the arrangement of the cells, with a diagram, inside the torch so that the bulb glows. |
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Answer» Question 13 A torch requires 3 cells. Show the arrangement of the cells, with a diagram, inside the torch so that the bulb glows. |
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| 790. |
Which of these lengths can be measured in kilometers? |
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Answer» Which of these lengths can be measured in kilometers? |
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| 791. |
The time period of a satellite in a circular orbit of radius R is T. The period of another satellite in a circular orbit if radius 4R is ? |
| Answer» The time period of a satellite in a circular orbit of radius R is T. The period of another satellite in a circular orbit if radius 4R is ? | |
| 792. |
second The5The least count of a stop watchtime of 20 oscillations of a pendulum is meauredto be 25 seconds. The maximum percentage errorin the measurement of time will ber08%(1) 0.1%(3) 1.8%(4) 8% |
| Answer» second The5The least count of a stop watchtime of 20 oscillations of a pendulum is meauredto be 25 seconds. The maximum percentage errorin the measurement of time will ber08%(1) 0.1%(3) 1.8%(4) 8% | |
| 793. |
Why is angular width taken lamda/a while calculating frensel distance ,but angular width of central maxima is 2lamda/a for single slit diffraction? |
| Answer» Why is angular width taken lamda/a while calculating frensel distance ,but angular width of central maxima is 2lamda/a for single slit diffraction? | |
| 794. |
Why are chisel marks made on grinding stones? |
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Answer» Why are chisel marks made on grinding stones? |
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| 795. |
How sound is produced and propagated? |
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Answer» How sound is produced and propagated? |
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| 796. |
A ramp and a hill are examples of which simple machine? |
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Answer» A ramp and a hill are examples of which simple machine? |
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| 797. |
State whether the following statement is true or false: The axis of earth's imaginary magnet and the geographical axis coincide with each other. |
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Answer» State whether the following statement is true or false: The axis of earth's imaginary magnet and the geographical axis coincide with each other. |
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| 798. |
Can magnets lose their magnetic property? Give reasons for your answer. |
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Answer» Can magnets lose their magnetic property? Give reasons for your answer. |
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| 799. |
A swimmer swims a distance of 1 km in a lake with a speed of 2 ms−1. What will be the time taken by him to complete this distance? |
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Answer» A swimmer swims a distance of 1 km in a lake with a speed of 2 ms−1. What will be the time taken by him to complete this distance? |
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| 800. |
Draw a diagram to show the eclipse of the sun. Mark the areas where you can see(a) total solar eclipse.(b) partial solar eclipse. |
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Answer» Draw a diagram to show the eclipse of the sun. Mark the areas where you can see |
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B. Why do we use spiked shoes while playing sports? [ 3 MARKS ]