CBSE Class X – Science Physics Exam (Full Syllabus)

Which of the subsequent is not attracted by a magnet:

The magnetic feld inside a long straight solenoid carrying current is:

Direction of rotation of a coil in electric motor is intent by:

In electric motor, to make the coil rotating constantly in the identical direction, current is reversed in the coil after every half rotation by a device called:

A magnet is moved towards a coil (i) quickly (ii) slowly. The induced potential difference:

The name of the effect being produced by the moving magnet

Example of permanent magnet is

Two magnetic feld lines never intersect because the resultant force on a north pole at any point can only be in

The values of mA and µA are:

At the time of short circuit, the electric current in the circuit:

A boy records that 4000 joule of work is required to transfer 10 coulomb of charge between two points of a resistor of 50 Ω. The current passing through it is:

Two devices are connected between two points say A and B in parallel. The physical quantity that will remain the same between the two points is

A cell, a resistor, a key, and an ammeter are arranged as shown in the circuit diagrams. The current recorded in the ammeter will be:

When electric current is passed, electrons move from:

S.I unit of resistance

S.I unit of resistivity

The device used for detecting and indicating an electric current.

At noon, the Sun looks white as:

The bluish colour of water in deep sea is due to:

Power of a lens is the measure of the degree of

Arjun remarked that he has seen wavering of objects when seen through a stream of hot air rising above a tandoor or a fire. He said that the air just above the fire becomes hotter than the air further higher up. He further said that this wavering can also be seen in the earth’s atmosphere as the earth’s atmosphere is not evenly distributed ,Name two observations which can be explained by the above phenomenon.

Why don’t planets twinkle?

Milk is a colloid that contains globules of fat and protein. When a beam of light is directed at a glass of milk the light is scattered. That is a great example

Myopia can be corrected by using

Rainbow is caused due to