Which type of mirror is used in box-type solar cooker?
Spherical mirror
Convex mirror
Plane mirror
Concave mirror
The biggest and the brightest source of light is the:
Sun
Moon
Earth
Jupiter
Rays of light always travel in a straight line.This phenomenon is called
Total internal reflection
Rectilinear propogation
Scattering of light
Diffraction
Pick the odd one out.
sun
electric lamps
candles
moon
An objects are things that does not emit light is called
Opaque objects
Luminous objects
Non-luminous object
Transparent objects
Rays coming out from a burning candle or a bulb constitute
a convergent beam of light
a parallel beam of light
a divergent beam of light
perpendicular beam of light
An image formed by a plane mirror is a/an
Virtual image
Arial image
Inverted image
No image
An imaginary line drawn perpendicular to the mirror at the point of incidence is called:
Incident ray
Reflected ray
Normal
None of these
In which of the following mirror is used as shaving mirrors?
Cylindrical mirror
