We can see things around us even on cloudy days due to:
a) regular reflection of light
b) irregular absorption of light
c) regular transmission of light
d) diffuse reflection of light
One statement is not correct for the plane mirror:
a) the image formed is upright
b) the image is equal in size
c) the image is real
d) the image is laterally inverted
Your friend wants to see over a wall. What would you suggest him to use?
a) periscope
b) Telescope
c) microscope
d) Kaleidoscope
Which device uses the fact that light travels in straight lines?
a) telescope
b) Kaleidoscope
c) pin-hole camera
d) microscope
Sun, bulb, and candle are the example of……
a) luminous objects
b) non-luminous object
c) both a and b
d) none of these
Moon and Earth are the examples of………..
a) luminous objects
b) non-luminous object
c) both a and b
d) none of these
