(English Medium) ICSE Class 10 - CISCE Question Bank Solutions for Physics

Two fuse wires of the same lengths are rated 5A and 20A. Which of the two fuse wires is thick and why?

State whether a magnetic field is associated or not around a static charge.

State whether a magnetic field is associated or not around a moving charge.

State under what conditions force acting on a current carrying conductor which is freely suspended in a magnetic field can be maximum.

State under what conditions force acting on a current carrying conductor which is freely suspended in a magnetic field can be Zero.

A mixture of radioactive substances gives off three types of radiation name the radiation which travels with the speed of light.

A mixture of radioactive substance gives off three types of radiation name the radiation similar in nature to X-rays.

A mixture of radioactive substance gives off three types of radiation name the radiation which is not affected by an electric field.

A mixture of radioactive substance gives off three types of radiation name the radiation which has the maximum penetrating power.

A mixture of radioactive substance gives off three types of radiation name the radiation which has the highest speed.

How do infrared and γ-rays differ in wavelength.

How do infrared and γ-rays differ in penetrating power.

Which of the radioactive radiations can cause severe genetical disorders and are deflected by an electric field?

Which one of the following statements is correct?

The diagram below shows a free conductor AB is kept in a magnetic field and is carrying current from A to B. (To avoid confusion complete path of the circuit is not shown) The direction of the force experienced by the conductor will be:

The meaning of the statement ‘Specific heat capacity of water is 4200 J kg^-1 K^-1’ is:

The radiation with maximum penetrating power is ______.

If the strength of the current flowing through a wire is increased, the strength of the magnetic field produced by it ______.

A copper conductor is placed over two stretched copper wires whose ends ate connected to a D.C. supply as shown in the diagram.

1. What should be the magnetic poles at the points A and B lying on either side of the conductor to experience the force in the upward direction?
2. Name the law used to find these polarities.

A coin kept inside water [µ = 4/3] when viewed from air in a vertical direction appears to be raised by 3.0 mm. Find the depth of the coin in water.