Light questions | form one Physics

(i) State the laws of reflection of light.
(ii) Give two examples which illustrate that light travels in a straight line.

Answer / Solution

UNSOLVED

Explain the reason for the following:
(i) Light and heat from the sun disappear during the total eclipse of the sun.
(ii) Radio telescope uses a parabolic metal reflector.

Answer / Solution

UNSOLVED

A typist uses a new carbon paper under her top typing paper for making a copy of a letter. When she holds the carbon paper close to a plane mirror she can read the letter. This happens because the mirror
A forms an image of the same size
B produces an inverted image
C produces a laterally inverted image
D forms a virtual image
E forms an image behind the mirror
 

Answer / Solution

UNSOLVED

Which one is a characteristic of a plane mirror?

1. It forms an image which is real and opaque
2. It forms an image which is larger than the object
3. It forms an image which is real and laterally inverted
4. It forms an image which has the same size as the object
5. It forms an image which is small in size than the object

Answer / Solution

UNSOLVED

If the angle between two plane mirrors is 60°, what will be the number of
images?
A.  2    B. 3  C. 4   D. 5

Answer / Solution

D. 5