Secondary School (English Medium) (5 to 8) इयत्ता ८ - CBSE Question Bank Solutions

Draw figure showing the position of the plane mirror. Also, label the angle of incidence and angle of reflection on it.

There is a mistake in each of the following ray diagrams given as figures a, b, and c. Make the necessary correction (s).

(a)	(b)	(c)

Morning star is the name given to

Which of the following figures depicts the position of pole star correctly? 

Sun appears to move from east to west around the earth. This means that earth rotates from

Suppose a new planet is discovered between Uranus and Neptune. Its time period would be

State whether the following statement is ‘True’ or ‘False’.

All the stars are at the same distance from us.

State whether the following statement is ‘True’ or ‘False’.

The planets keep changing their position with respect to stars.

State whether the following statement is ‘True’ or ‘False’.

The planet Venus appears in the eastern sky before sunrise.

In the picture of rotating earth given as figure mark the position of pole star.

In the given figure out of the positions A, B, C and D which will indicate the position of the sun? Draw the sun at the appropriate position.

In figure mark the arrows (←), (→), (↓), or (↑) to show the direction of sunlight.

A star is 10 light years away from the earth. Suppose it brightens up suddenly today. After how much time shall we see this change?

Write the names of all planets in the figure.

The type of pollution which is likely to affect Taj Mahal in Agra to a greater extent is ______.

Cholera is caused by _________.

Describe how coal is formed from dead vegetation. What is this process called?

Fossil fuels are ______, ______ and ______.

Fossil fuels can be made in the laboratory.

Coke is almost pure form of carbon.