The Sun as Seen from the Earth

Q. Does sun rotates?

Q.

Question 3

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

(a) east to west
(b) west to east
(c) north to south
(d) west to north

Q.

A ray of light that falls on a mirror is called the _________ray.

Q. In the diagram shown, what is the letter B pointing towards?

1. 
   Umbra
2. 
   Penumbra
3. 
   Planet
4. 
   Eclipse

Q.

For an image formed by a plane mirror, the left part of the object appears on the right side in the image and vice versa. This is known as ___.

1. Regular reflection

2. Diffused reflection

3. Longitudinal inversion

4. Lateral inversion

Q.

When the sun sets does the Earth go up or the sun go down?

Q. Why the Sun seems to rise from the east and set on the west?

Q. Match the correct pairs.

1. A table kept in dark
2. Human skin
3. Plane mirror

Q.

Name two natural phenomena based on the property that light travels in straight lines.

Q.

Give reason

We do not see any shadow of a bird flying high up in the sky.

Q. Why the Sun seems to rise from the east and set on the west?

Q.

State any two uses of a plane mirror.

Q.

At night when it is dark outside and you are standing in a brightly lit room it is easy to see your reflection in a window. During the day it is not easy. Explain your reason.

Q. Match the correct pairs.

1. Plane mirror
2. Human skin
3. A table kept in dark