Geometrical optics Multiple Choice Questions (MCQs), geometrical optics quiz answers, test prep 1 to learn high school physics for online certificate programs. Image location by spherical formula of mirror MCQs, geometrical optics quiz questions and answers for free online classes. Learn image location by spherical formula of mirror, lens image formation, human eye, spherical mirrors, reflection of light test prep for online certifications.

Learn physics MCQs: find focal length of mirror that forms an image 6.2 cm behind mirror of an object placed at 26 cm in front of mirror, with choices −8.41 cm, −6.58 cm, −7.8 cm, and −9.6 cm for free online classes. Free physics study guide for online learning image location by spherical formula of mirror quiz questions for online high school courses.

MCQ: Find focal length of mirror that forms an image 6.2 cm behind mirror of an object placed at 26 cm in front of mirror?

1. −6.58 cm
2. −8.41 cm
3. −7.8 cm
4. −9.6 cm

B

MCQ: Lens with a long focal length is

1. thick
2. thin
3. not strongly curved
4. both B and C

D

MCQ: Variation of focal length to form a sharp image on retina is called

1. accommodation
2. aperture
3. retina control
4. sutter

A

MCQ: In concave mirror, size of image depends upon

1. size of object
2. position of object
3. area covered by object
4. shape of object

B

MCQ: When light travelling in a certain medium falls on surface of another medium, a part of it turns back in same medium. This phenomenon is called

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

A