Class 8 Light CBSE Questions & Answers
Class 8 · Light
This is Science Class 8 Light CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.
Questions & Answers
1
Which type of image can be obtained on screen?
- AReal and inverted imageCorrect
- BVirtual and inverted image
- CVirtual and erect image
- DReal and erect image
2
Focal length of eye lens is changed by action of
- ANerve cell
- BCilliary muscleCorrect
- CIris
- DPupil
3
-------------refers to collection of rays.
- APhoton
- BImage
- CShadow
- DBeamCorrect
4
When light bounces off form surface the surface is
- ATransparent
- BReflectorCorrect
- COpaque
- DTranslucent
5
Light sensitive cell present in retina are
- AAtoms and rods
- BRods and iris
- CRods and conesCorrect
- DCones and pupil
6
We can see an object when it
- ARefract or absorb the rays of light
- BReflect or emit rays of lightCorrect
- CHas bright colour
- DHas shining surface
7
Transparent front part of eyeball is called
- ARetina
- BBlind spot
- CCorneaCorrect
- DSclera
8
Concave mirror is used in head light of vehicle as
- AIt forms the strong beam of light
- BIt reflect the parallel beam of lightCorrect
- CIt can be easily cleaned
- DIt is easy to use
9
Rainbow is the natural phenomenon showing
- ADispersion of lightCorrect
- BRefraction of light
- CReflection of light
- DScattering of light
10
Shaving mirror are usually
- ABiconcave
- BPlane
- CConcaveCorrect
- DConvex
11
The colour of eyes is due to colour of
- AIrisCorrect
- BEye lens
- CRetina
- DCornea
12
Splitting of white light into seven colours is called
- ARainbow
- BSplitting
- CDispersionCorrect
- DSpectrum
13
The light sensitive sense organ of human body is
- ANose
- BEar
- CEyeCorrect
- DTongue
14
White light consist of
- A5 colours
- B7 coloursCorrect
- C3 colours
- D9 colours
15
Sunlight is referred as
- ABlue light
- BYellow light
- CWhite lightCorrect
- DLight yellow light