# ICSE Class 10 - CISCE Important Questions for Physics

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Define the power of a lens.

Appears in 6 question papers
Chapter: [0.023] Refraction of Light Through a Lense
Concept: Power of a Lens

What do you understand by the term Scattering of light?

Appears in 3 question papers
Chapter: [0.022000000000000002] Spectrum
Concept: Scattering of Light and Its Types

Why does sun appear red at sunrise and sunset?

Appears in 2 question papers
Chapter: [0.022000000000000002] Spectrum
Concept: Applications of Scattering of Light

Which particles are responsible for current in conductors?

Appears in 2 question papers
Chapter: [0.042] Electrical Power and Energy and Household Circuits
Concept: Electrical Power

To which wire of a cable in a power circuit should the metal case of geyser be connected.

Appears in 2 question papers
Chapter: [0.042] Electrical Power and Energy and Household Circuits
Concept: Earthing (Grounding)

To which wire should the fuse be connected?

Appears in 2 question papers
Chapter: [0.042] Electrical Power and Energy and Household Circuits
Concept: Electric Fuse

State two characteristics of a good thermion emitter.

Appears in 2 question papers
Chapter: [0.05] Heat
Concept: Latent Heat and Specific Latent Heat

A brass ball is hanging from a stiff cotton thread. Draw a neat labeled diagram showing the forces acting on the brass ball and cotton thread

Appears in 1 question paper
Chapter: [0.011000000000000001] Force
Concept: Turning Effect of a Force

The distance between two bodies is doubled. How is the magnitude of the gravitational force between them affected?

Appears in 1 question paper
Chapter: [0.011000000000000001] Force
Concept: Centre of Gravity

A uniform half meter rule balances horizontally on a knife-edge at 29 cm mark when a weight of 20 gf is suspended from one end

1) Draw a diagram of the arrangement

2) What is the weight of the half meter rule?

Appears in 1 question paper
Chapter: [0.011000000000000001] Force
Concept: Centre of Gravity

How does uniform circular motion differ from uniform linear motion?

Appears in 1 question paper
Chapter: [0.011000000000000001] Force
Concept: Uniform Circular Motion (UCM)

Give an example of a non-contact force which is always of attractive nature

Appears in 1 question paper
Chapter: [0.011000000000000001] Force
Concept: Centre of Gravity

How does the magnitude of this non-contact force on the two bodies depend on the distance of separation between them?

Appears in 1 question paper
Chapter: [0.011000000000000001] Force
Concept: Turning Effect of a Force

A boy weighing 40 kgf climbs up a stair of 30 steps each 20 cm high in 4 minutes and a girl weighing 30 kgf does the same in 3 minutes. Compare:

1) The work done by them.

2) The power developed by them.

Appears in 1 question paper
Chapter: [0.011000000000000001] Force
Concept: Centre of Gravity

An effort is applied on the bigger wheel of a gear having 32 teeth. It is used to turn a wheel of 8 teeth. Where it is used.

Appears in 1 question paper
Chapter: [0.011000000000000001] Force
Concept: Turning Effect of a Force

On what factor does the position of the center of gravity of a body depend?

Appears in 1 question paper
Chapter: [0.011000000000000001] Force
Concept: Centre of Gravity

What is the SI unit of the moment of force?

Appears in 1 question paper
Chapter: [0.011000000000000001] Force
Concept: Turning Effect of a Force

Name the factors affecting the turning effect of a body

Appears in 1 question paper
Chapter: [0.011000000000000001] Force
Concept: Turning Effect of a Force

Define equilibrium.

Appears in 1 question paper
Chapter: [0.011000000000000001] Force
Concept: Equilibrium of Bodies and Its Types

In a beam balance when the beam is balanced in a horizontal position, it is in ______ equilibrium.

Appears in 1 question paper
Chapter: [0.011000000000000001] Force
Concept: Equilibrium of Bodies and Its Types
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