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
Grade10
10 Plays
100 Participants
1.
Multiple Choice
1 pts•30 sAnswer choicesThe radius of curvature of a spherical mirror is 20 cm. What is its focal length?
20
10
5
2.
Multiple Choice
1 pts•30 sAnswer choicesWhat kind of mirror can give an erect and enlarged image of an object?
Convex Mirror
Plane Mirror
Concave Mirror
3.
Multiple Choice
1 pts•30 sAnswer choicesNo matter how far you stand from a mirror, your image appears erect. The mirror is likely to be?
Plane
Concave
Convex
Either plane or convex
4.
Multiple Choice
1 pts•30 sAnswer choicesThe radius of curvature of a spherical mirror is 12 cm. What is its focal length?
6
24
12
5.
Multiple Choice
1 pts•30 sAnswer choicesWhich statement is correct, according to the law of Reflection?
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 sAnswer choicesWhat kind of mirror can form real images?
Convex
Concave
Plane
7.
Multiple Choice
1 pts•30 sAnswer choicesSplitting light into its seven constituent colors is known as?
Refraction
Diffraction
Dispersion
8.
Multiple Choice
1 pts•30 sAnswer choicesWhat is the speed of light?
3 x 108 m/s
3 x 108 km/s
3 x 810 m/s