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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.
| 5651. |
What are the three characteristics of a thunderstorm? |
| Answer» What are the three characteristics of a thunderstorm? | |
| 5652. |
Physically, glass is |
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Answer» Physically, glass is |
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| 5653. |
Give reason for the statement A normal glass tumbler cracks when dipped in boiling water. Why? |
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Answer» Give reason for the statement A normal glass tumbler cracks when dipped in boiling water. Why? |
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| 5654. |
Which element(s) is/are used in the manufacturing of solar cells? |
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Answer» Which element(s) is/are used in the manufacturing of solar cells? |
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| 5655. |
Question 4 The figure shows a container filled with water. Which of the following statements is correct about pressure of water? (a) Pressure at A> Pressure at B> Pressure at C (b) Pressure at A=Pressure at B=Pressure at C (c) Pressure at A< Pressure at B>Pressure at C (d) Pressure at A< Pressure at B<Pressure at C |
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Answer» Question 4 |
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| 5656. |
A reflection at a surface that is not smooth is called |
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Answer» A reflection at a surface that is not smooth is called |
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| 5657. |
Rainbow is caused due to: |
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Answer» Rainbow is caused due to: |
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| 5658. |
Kushagra has made the following arrangement for his school project, in which he has to light the bulb. The bulb will not glow if the ends A and B are connected with: |
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Answer» Kushagra has made the following arrangement for his school project, in which he has to light the bulb. The bulb will not glow if the ends A and B are connected with:
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| 5659. |
The area of the rectangle with length 11 cm and breadth equal to half its length will be |
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Answer» The area of the rectangle with length 11 cm and breadth equal to half its length will be |
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| 5660. |
Explain the use of an electric fuse. What type of material is used for fuse wire and why ? |
| Answer» Explain the use of an electric fuse. What type of material is used for fuse wire and why ? | |
| 5661. |
How does the brain interpret the frequency of a sound? |
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Answer» How does the brain interpret the frequency of a sound? |
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| 5662. |
___ are materials which do not allow electric current to pass through them. |
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Answer» |
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| 5663. |
Which of the following is responsible for making and breaking the circuit in an electric bell? |
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Answer» Which of the following is responsible for making and breaking the circuit in an electric bell? |
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| 5664. |
Harish runs a certain distance faster than Suresh. Which fundamental physical quantity/quantities is/are measured for comparing their speeds? |
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Answer» Harish runs a certain distance faster than Suresh. Which fundamental physical quantity/quantities is/are measured for comparing their speeds? |
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| 5665. |
If we have a meter scale, then how many divisions do we need to make such that each division is equal to a centimeter? |
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Answer» If we have a meter scale, then how many divisions do we need to make such that each division is equal to a centimeter? |
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| 5666. |
What are three characteristics of an image formed by plane mirrors? [3 MARKS] |
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Answer» What are three characteristics of an image formed by plane mirrors? [3 MARKS] |
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| 5667. |
the speed of the moving car is 72 km/hr . calculate in m/s. |
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Answer» the speed of the moving car is 72 km/hr . calculate in m/s. |
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| 5668. |
A tennis ball is partly submerged in the mud water in a pool. The upward force acted by the displaced mud water on the ball is called ___ . |
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Answer» A tennis ball is partly submerged in the mud water in a pool. The upward force acted by the displaced mud water on the ball is called |
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| 5669. |
When we pass electric current through the bulb it glows, the bulb glows due to ___________ |
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Answer» When we pass electric current through the bulb it glows, the bulb glows due to ___________ |
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| 5670. |
Why does heat is not produces in CFL bulbs?(3marks) |
| Answer» Why does heat is not produces in CFL bulbs?(3marks) | |
| 5671. |
A wire of area of cross section 3.0 mm2and natural length 50 cm is fixed at one end and a mass of 2.1 kg is hung from the other end. Find the elastic potential energy stored in the wire in steady state. Young's modulus of the material of the wire = 1.9×1011Nm−2.Takeg=10ms−2 |
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Answer» A wire of area of cross section 3.0 mm2and natural length 50 cm is fixed at one end and a mass of 2.1 kg is hung from the other end. Find the elastic potential energy stored in the wire in steady state. Young's modulus of the material of the wire = 1.9×1011Nm−2.Takeg=10ms−2 |
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| 5672. |
Sound travel fastest in ___ . |
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Answer» Sound travel fastest in |
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| 5673. |
A bike moves with a speed of 50 km/h for 30 minutes and then with a speed of 60 km/h for the next 30 minutes. The total distance covered by the bike is |
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Answer» A bike moves with a speed of 50 km/h for 30 minutes and then with a speed of 60 km/h for the next 30 minutes. The total distance covered by the bike is |
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| 5674. |
A uniform pressure P is exerted on all sides of a solid cube at temperature t∘C. By what amount should the temperature of the cube be raised in order to bring its volume back to the value it had before the pressure was applied? The coefficient of volume expansion of the cube is α and the bulk modulus is β. |
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Answer» A uniform pressure P is exerted on all sides of a solid cube at temperature t∘C. By what amount should the temperature of the cube be raised in order to bring its volume back to the value it had before the pressure was applied? The coefficient of volume expansion of the cube is α and the bulk modulus is β. |
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| 5675. |
The potential difference between the two points of a wire carrying 2 amperes current is 0.1 volt. Calculate the resistance between these points. |
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Answer» The potential difference between the two points of a wire carrying 2 amperes current is 0.1 volt. Calculate the resistance between these points. |
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| 5676. |
What is the heating effect of electric current? Give few real-life examples where it is used. |
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Answer» What is the heating effect of electric current? Give few real-life examples where it is used. |
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| 5677. |
An arrow pulled back by the string on the bow possesses: |
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Answer» An arrow pulled back by the string on the bow possesses: |
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| 5678. |
State three rules for drawing geometric images images in front of a concave mirror. |
| Answer» State three rules for drawing geometric images images in front of a concave mirror. | |
| 5679. |
Girish takes 28 seconds to assemble a cupboard . Harish takes 21 seconds to assemble a similar cupboard. working together ,how long will both take to assemble 50 cupboards? |
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Answer» Girish takes 28 seconds to assemble a cupboard . Harish takes 21 seconds to assemble a similar cupboard. working together ,how long will both take to assemble 50 cupboards? |
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| 5680. |
Observe the given distance-time graph Identify the respective speeds of the body when it moves from O (Origin) to A and B to C. |
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Answer» Observe the given distance-time graph |
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| 5681. |
Which of the following devices / organisms uses echolocation? |
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Answer» Which of the following devices / organisms uses echolocation? |
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| 5682. |
What is the normal temperature of a human body? |
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Answer» What is the normal temperature of a human body? |
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| 5683. |
Why is tungsten used for making filament in an electric bulb |
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Answer» Why is tungsten used for making filament in an electric bulb |
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| 5684. |
Question 3 State two examples to show that air exerts pressure. |
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Answer» Question 3 State two examples to show that air exerts pressure. |
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| 5685. |
What are the various components of an electric bell? Explain the working of an electric bell. [5 MARKS] |
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Answer» What are the various components of an electric bell? Explain the working of an electric bell. [5 MARKS] |
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| 5686. |
The Sun is said to be the ultimate source of energy. What can we say about the energy harnessed from fossil fuels? |
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Answer» The Sun is said to be the ultimate source of energy. What can we say about the energy harnessed from fossil fuels? |
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| 5687. |
What is the freezing and boiling points of water on the Fahrenheit scale? |
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Answer» What is the freezing and boiling points of water on the Fahrenheit scale? |
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| 5688. |
Sandeep wants to coat his wooden pencil with some metal to give it a shiny look. Which of the following method can he use? |
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Answer» Sandeep wants to coat his wooden pencil with some metal to give it a shiny look. Which of the following method can he use? |
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| 5689. |
How do you determine the average speed of a body in non uniform motion |
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Answer» How do you determine the average speed of a body in non uniform motion |
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| 5690. |
Which planets in our solar system do not have moons? |
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Answer» Which planets in our solar system do not have moons? |
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| 5691. |
What is the cause of lateral inversion? Why is it that the image is flipped only horizontally but not vertically? |
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Answer» What is the cause of lateral inversion? Why is it that the image is flipped only horizontally but not vertically? |
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| 5692. |
The amplitude of the sound waves determines___ |
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Answer» The amplitude of the sound waves determines |
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| 5693. |
A 2.16 g of a substance occupies 1.5 cm3. Its density to appropriate significant figure is: |
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Answer» A 2.16 g of a substance occupies 1.5 cm3. Its density to appropriate significant figure is: |
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| 5694. |
A broken scale is used to measure the length of a stick, and the reading is directly noted down by looking at the scale from a position directly above it. Which of the following is correct? |
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Answer» A broken scale is used to measure the length of a stick, and the reading is directly noted down by looking at the scale from a position directly above it. Which of the following is correct? |
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| 5695. |
Why do we wear light coloured clothes in summer and dark coloured clothes in winter |
| Answer» Why do we wear light coloured clothes in summer and dark coloured clothes in winter | |
| 5696. |
How a density bottle works?? How it helps to measure the relative density of water. Please explain.. |
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Answer» How a density bottle works?? How it helps to measure the relative density of water. Please explain.. |
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| 5697. |
The property of light by which it forms shadow of an opaque object |
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Answer» The property of light by which it forms shadow of an opaque object |
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| 5698. |
Study the following graph and table carefully and answer the questions given below: Time taken to travel (in hours) by six vehicles on two different days Distance covered (in kilometres) by six vehicles on each day VehicleDay 1Day 2A832864B516774C693810D552765E935546F703636 What was the speed of vehicle C on day 2 in terms of metres per second? |
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Answer» Study the following graph and table carefully and answer the questions given below: |
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| 5699. |
A bus decreases its speed from 80 kmph to 60 kmph in 5 seconds. The retardation of the bus is: |
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Answer» A bus decreases its speed from 80 kmph to 60 kmph in 5 seconds. The retardation of the bus is: |
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| 5700. |
On applying the brakes, a car of 1000 kg moving at 36kmh stops. Find the total work done on the car. |
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Answer» On applying the brakes, a car of 1000 kg moving at 36kmh stops. Find the total work done on the car. |
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Identify the respective speeds of the body when it moves from O (Origin) to A and B to C.