Hooper is combing his hair facing the plane mirror. He was standing 3m away from the mirror. What will be the distance between Hooper and his image

• 3m

• 6cm

• 6m

Those lens which feel thicker in the middle than that of the edges is a ______ lens .

• Concave Lens

• Torch

• Convex Lens

Newton's disc is a disc with seven colors, when rotating the disc it changes to

• Same colors

• White

• Multicolored

• Rainbow color

Identify the object and the different colours

• Prism - VIBGYOE

• Prism - VIBGYO

• Diamond Star - VIBGYOR

• Prism - VIBGYOR

Which type of lens is used in wide angle camera ?

• Concave Lens

• Concave Mirror

• Plane Lens

Lenses are widely used in

• Spectales

• Microscopes

• Telescopes

• All of these

The concave lens _____ the light.

• Converge

• Absorb

• Diverge

Which phenomenon is this

• Absorption of LIght

• Reflection of Light

• Refraction of Light

• Dispersion of Light

The image formed by a plane mirror is

• Laterally Inverted

• Erect

• Concave

• Convex

An otolaryngologist ( ENT ) uses concave mirror. ( True / False )

• True

• False