$Thumbnail of Light - Reflection and Refraction$

Assessment

Light - Reflection and Refraction

Light - Reflection and Refraction, Radius of curvature, Focal Length, Concave and Convex, Laws of Reflection and Refraction, Angle of Incidence and Angle of Reflection, Mirrors, Erect Image and Inverted Image, Virtual Image and Real Image

ninja coder

Physics

Grade X

10 plays

100 players

ninja coder

Physics

Grade X

10 plays

100 players

8 Qs

1.
Multiple Choice
1 pts•30 s
The radius of curvature of a spherical mirror is 20 cm. What is its focal length?
Answer choices
20
10
5
2.
Multiple Choice
1 pts•30 s
What kind of mirror can give an erect and enlarged image of an object?
Answer choices
Convex Mirror
Plane Mirror
Concave Mirror
3.
Multiple Choice
1 pts•30 s
No matter how far you stand from a mirror, your image appears erect. The mirror is likely to be?
Answer choices
Plane
Concave
Convex
Either plane or convex
4.
Multiple Choice
1 pts•30 s
The radius of curvature of a spherical mirror is 12 cm. What is its focal length?
Answer choices
6
24
12
5.
Multiple Choice
1 pts•30 s
Which statement is correct, according to the law of Reflection?
Answer choices
Angle of Incidence is always equal to the Angle of Reflection.
Angle of Incidence is always greater than Angle of Reflection.
Angle of Incidence is always less than Angle of Reflection.
6.
Multiple Choice
1 pts•30 s
What kind of mirror can form real images?
Answer choices
Convex
Concave
Plane
7.
Multiple Choice
1 pts•30 s
Splitting light into its seven constituent colors is known as?
Answer choices
Refraction
Diffraction
Dispersion
8.
Multiple Choice
1 pts•30 s
What is the speed of light?
Answer choices
3 x 10⁸ m/s
3 x 10⁸ km/s
3 x 8¹⁰ m/s