A solar eclipse occurs only a
New moon day
No moon day
Full moon day
on day time
Find out the odd one.
Sun
Moon
Candle
Bulb
The natural source of light is
Electric lamp
Candle flame
Kerosene lamp
Light causes
sensation of heat
sensation of vision
sensation of sound
Sensation of force
Umbra is a region of
partial darkness
partial brightness
complete brightness
complete darkness
Shadows are formed when
light block opeque object
light source block screen
opaque objects block light
Light source block opaque object
A tube light is a
hot source
cold source
incandescent source
LED
Which one of the following is not a translucent medium?
Waxed paper
Tracing paper
Black paper
Grounded glass
Shadow of an object will form only if there is
a source of light
opaque object
a screen
All of these
A lunar eclipse occurs only on a