﻿ ICSE Class 10 Physics Solved Question Paper 2015 | Previous Year Papers | Zigya

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# ICSE Class 10 Physics Solved Question Paper 2015

#### Fill In the Blanks

1.

1 kWh = …………….. J.

3.6 × 106 J

852 Views

2.

On reversing the direction of the current in a wire, the magnetic field produced by it gets .....

reversed

997 Views

#### Short Answer Type

3.

b) i) What is the S.I unit of moment of force?

S.I. unit of the moment of force is Newton x meter (Nm)

2278 Views

4.

Name the factors affecting the turning effect of a body?

The factors affecting the turning effect of a body are:

i) The magnitude of a force applied.

ii) The distance of the line of action of the force from the axis of rotation.

3363 Views

5.

How is work done by a force measured when the force:

i) is in the direction of displacement

ii) is at the angle to the direction of displacement.

i) Work done by a force when the force is in the direction of displacement.

That is equal to Force x Displacement of the point of application of the force in the direction of force.

ii) Work done by a force when the force is at an angle θ to the direction of displacement ,

= Force x component of displacement in the direction of force.

= Force x d cosθ

1443 Views

#### Fill In the Blanks

6.

For a fuse, higher the current rating ….. is the fuse wire.

thicker

1741 Views

#### Short Answer Type

7.

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

The position of center of gravity of a body of given mass depends on its shape, i.e., on the distribution of mass in it.

2165 Views

8.

State the energy changes in the following while in use:

i) Burning of a candle

ii) A steam engine

Energy changes:

i) Burning of a candle: Chemical energy to light energy.

ii) Steam Engine: Chemical energy of the coal first changes to heat energy of steam and then heat energy changes into mechanical energy.

1381 Views

9.

When a body is placed on a table top, it exerts a force equal to its weight downward on the table top but does not move or fall.

i) Name the force exerted on the table top.

ii) What is the direction of the force?

i) Normal reaction force

ii) The force acts normal to the surface of the table top i.e., opposite to the direction of the force due to the weight of the body.

3379 Views

#### Fill In the Blanks

10.

A scissor is a ………….. multiplier.

speed

2491 Views