RAY OPTICS BASICS

RAY OPTICS BASICS

12th Grade

100 Qs

quiz-placeholder

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RAY OPTICS BASICS

RAY OPTICS BASICS

Assessment

Quiz

Physics

12th Grade

Practice Problem

Hard

NGSS
HS-PS4-1

Standards-aligned

Created by

Shani Chandran

Used 3+ times

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100 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

What are the laws of reflection ?

angle of incidence = angle of reflection

incident ray , reflected ray and the normal at the point of incidence all are in the same plane

incident ray , refracted ray and the normal at the point of incidence all are in the same plane

2.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

What are the laws of refraction ?

angle of incidence = angle of reflection

incident ray , refracted ray and the normal at the point of incidence all are in the same plane

incident ray , reflected ray and the normal at the point of incidence all are in the same plane

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Radius of curvature of a plane mirror

zero

infinity

can be zero or infinity

25 cm

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Angle between the incident and reflected ray falling on a plane mirror is 600 . Find the angle of incidence ( i )and reflection (r)

i = r = 60

i = r = 30

i = r = 45

i = 30 , r = 60

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Image formed by a plane mirror is

real inverted and magnified

virtual erect and enlarged

virtual erect and same size

virtual erect and diminished

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Image formed by a plane mirror is

real inverted and magnified

virtual erect and enlarged

virtual erect and same size

virtual erect and diminished

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Focal length of a convex mirror of radius of curvature (R) 20 cm is

f = -20 cm

f =-10 cm

f = +10 cm

f = +20 cm

f = +40 cm

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