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WorksheetsNCERT CH : LIGHT
Total questions: 15
Worksheet time: 6mins
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
Identify the phenomenon ?
Refraction of LIght
Absoprtion of LIght
Out of The box
The perpendicular to the reflecting surface is called
Reflecting Ray
Normal
Incident Ray
Dispersion Ray
Assertion : A plane mirror forms a virtual image
Reason : Plane mirror shows the image laterally inverted
Both And R are true
Both A and R are false
A is true R is not possible
R is true A is not possible
Assertion : Lens is a piece of transparent medium
Reason : It is bounded by at least one spherical surface
Both A and R are true and R is the correct explanation of A
Both A and R are false and R is not the correct explanation of A
Both A and R is not possible
Lens is a medium of Translucent medium
Sahal is confused what to prefer while reading small letters in the dictionary. Help him to pick the right one .
Concave mirror - Large One
Convex Mirror -LargeOne
Translucent object
Convex Lens - Small One
