The darkest part of the shadow is
Penumbra
Antumbra
Umbra
None of these
The biggest and the brightest source of light is the
Sun
Moon
Earth
The phenomenon that takes place when the moon comes in the umbra of the earth.
Lunar eclipse
Solar Eclipse
Annular solar eclipse
Which one is different from others?
Ground glass
Oil paper
Rubber sheet
Wood
Objects which do not pass light is called
Opaque
Transparent
Semitransparent
Which type of objects make shadow?
Transparent objects
Opaque objects
Translucent objects
A solar eclipse occurs only on a
New moon day
Full moon day
Gibbous moon
Light is a form of energy that causes the sensation of
Hearing
Heat
Sight
Touch
Light travels through a
Straight line
Curved line
Parabolic line
None of the above
