Learn geometrical optics MCQs, grade 10 physics test 26 for online learning courses and test prep, image formation by lenses multiple choice questions and answers. Image formation by lenses revision test includes physics worksheets to learn for online physics courses distance learning.

Physics multiple choice questions (MCQ): object 4 cm high is placed at a distance of 12 cm from a concave lens, if focal length is 8 cm then size of object is with options 5 cm, 10 cm, 4 cm and 8 cm, image formation by lenses quiz for online distance education for virtual schools, private schools and public schools students. Free physics study guide to learn image formation by lenses quiz to attempt multiple choice questions based test.

MCQ: An object 4 cm high is placed at a distance of 12 cm from a concave lens, If focal length is 8 cm then size of object is

1. 10 cm
2. 5 cm
3. 4 cm
4. 8 cm

D

MCQ: In different media, refraction of light is caused by difference in speed of

1. sound
2. light
3. heat
4. waves

A

MCQ: When angle of incidence becomes larger than critical angle, then

1. refraction occurs
2. reflection occurs
3. defraction occurs
4. no refraction occurs

D

MCQ: Angle of incidence and angle of reflection are

1. equal
2. un equal
3. coherent
4. opposite

A

MCQ: Incident ray, normal and reflected ray at point of incidence all lie in same plane. This is law of

1. reflection
2. refraction
3. defraction
4. acoustics

A