Question

1. A device which forms a photograph like image of a bright object on a screen.
a) A miniature camera b) pinhole camera c) international camera d) a huge camera

2. Mirror reflection gives us
a) clear image b) dotted image c) dim image d) different image

3. Jugunu (fire fly) is a
a) Plant body b) living luminous body c) non-living luminous body d) heavenly bodies

4. Scattering back of light by shining surfaces is called
a) Moving of light b) turning of light c) reflection of light d) transmission of light

5. Which of following cannot be used to make a magnet? a) Cobalt b) Iron c) Ebonite d) Steel

answer all the 5 questions ​

Answer 1

Answer:

1. b) pinhole camera

2. a) clear image

3.

4. c) reflection of light

5. c) ebonite