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

Name three radiations and their wavelength range which are invisible and beyond the violet end of the visible spectrum.

Name the radiation which can be detected by thermopile.

Higher the current rating, _______ is the fuse wire.

How does the thickness of a fuse wire depend on its current rating?

The rating of a fuse connected in the lighting circuit is ______.

To which regions of the electromagnetic spectrum do the following wavelengths belong: 
(a) 250 nm 
(b) 1500 nm 

Calculate the shortest wavelength of electromagnetic radiation present in Balmer series of hydrogen spectrum.

State and define the unit of force in the S.I. system.

How is 1 kgf related to the SI unit of force?

What is the work done by the gravitational force on the moon that revolves around the earth?

A bullet fired against a window glass pane makes a hole in it without any cracks while a stone striking the same glass pane smashes it; explain with reason.

State the principle of moments.

Give the units of couple.

Define the term momentum.

Explain why It is easier to knock down a boy who is standing on one foot than one who is standing on two.

Explain when we carry weight, on one hand, we bend on the other side.

What is the weight of a body placed at the centre of the earth?

What do you understand by work? Is work a scalar or a vector quantity?

In the following case write yes, if the work is being done and no if no work is being done.

A man trying to push a wall.

In the following case write yes, if the work is being done and no if no work is being done.

A man moving on the rough ground.