(English Medium) ICSE Class 10 - CISCE Important Questions for Physics

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On what factors does the resistance of a conductor depend?

Appears in 7 question papers
Chapter: [0.08] Current Electricity
Concept: Factors Affecting the Resistance of a Conductor

Define the power of a lens.

Appears in 6 question papers
Chapter: [0.05] Refraction Through a Lense
Concept: Power of a Lens

What do you understand by the term Scattering of light?

Appears in 3 question papers
Chapter: [0.06] Spectrum
Concept: Scattering of Light and Its Types

Why does sun appear red at sunrise and sunset?

Appears in 2 question papers
Chapter: [0.06] Spectrum
Concept: Applications of Scattering of Light

Define specific resistance and state its SI unit.

Appears in 2 question papers
Chapter: [0.08] Current Electricity
Concept: Electrical Resistivity and Electrical Conductivity

Which particles are responsible for current in conductors?

Appears in 2 question papers
Chapter: [0.08] Current Electricity
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: [0.09] Household Circuits
Concept: Earthing (Grounding)

To which wire should the fuse be connected?

Appears in 2 question papers
Chapter: [0.09] Household Circuits
Concept: Electric Fuse

State two characteristics of a good thermion emitter.

Appears in 2 question papers
Chapter: [0.11] Calorimetry
Concept: Latent Heat and Specific Latent Heat

What is the principle of Calorimetry?

Appears in 2 question papers
Chapter: [0.11] Calorimetry
Concept: Calorimetry and Calorimeter

Name the material used for making a Calorimeter.

Appears in 2 question papers
Chapter: [0.11] Calorimetry
Concept: Calorimetry and Calorimeter

When does the nucleus of an atom tend to be radioactive?

Appears in 2 question papers
Chapter: [0.12] Radioactivity
Concept: Radioactivity

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: [0.01] Force
Concept: Moment (Turning Effect) of a Force Or Torque

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

Appears in 1 question paper
Chapter: [0.01] 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: [0.01] Force
Concept: Centre of Gravity

How does uniform circular motion differ from uniform linear motion?

Appears in 1 question paper
Chapter: [0.01] 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: [0.01] 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: [0.01] Force
Concept: Moment (Turning Effect) of a Force Or Torque

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: [0.01] 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: [0.01] Force
Concept: Moment (Turning Effect) of a Force Or Torque
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