Question

1. The bending of light as it moves from one medium to another with different indices of refraction is due to change in what property of light?

A) amplitude, B) phase, C) frequency, D) speed, E) color

2. A ray of light propagates in air (n= 1.33) and strikes a sheet of crown glass (n=1.523). If angle of refraction in glass is 35.20 , determine the angle of incidence. A) 30.3 0 , B) 32.80 , C) 35.2 0 , D) 41.2 0 , E) 45.00

3. Which one of the following statements concerning image formed by a spherical concave mirror are true?

A) When the object distance is larger than focal length, image is virtual, B) When object is at center of curvature, image is formed at infinity, C) When object distance is less than focal length, image is inverted relative to the object, D) When object distance is less than focal length, image is virtual, E) When object distance is larger than the focal length, image is upright relative to the object.

4. An object is placed at a focal point of a converging lens of focal length f, What is the image distance?

A) f, B) 2f, C) 1/f, D) 2/f, E) at an infinite distance

5. An object is placed 1 m in front of a plane mirror. An observer stands 3m behind the object. For what distance, must the observer focus his eyes in order to see the image of the object.

A) 1 m, B) 2 m, C) 3 m, D) 4 m, E) 5 m

Multiple choice Short problems 1. The bending of light as it moves from one medium to another with different indices of refraction is due to change in what property of light? A) amplitude, B) phase, C) frequency, D) speed, E) color 2. A ray of light propagates in air (n= 1.33) and strikes a sheet of crown glass (n=1.523). If angle of refraction in glass is 35.2°, determine the angle of incidence. A) 30.3°, B) 32.8°, C) 35.2°, D) 41.2°, E) 45.0° 3. Which one of the following statements concerning image formed by a spherical concave mirror are true? A) When the object distance is larger than focal length, image is virtual, B) When object is at center of curvature, image is formed at infinity, C) When object distance is less than focal length, image is inverted relative to the object, D) When object distance is less than focal length, image is virtual, E) When object distance is larger than the focal length, image is upright relative to the object. 4. An object is placed at a focal point of a converging lens of focal length f, What is the image distance? A) f, B) 2f, C) 1/f, D) 2/f, E) at an infinite distance 5. An object is placed 1 m in front of a plane mirror. An observer stands 3m behind the object. For what distance, must the observer focus his eyes in order to see the image of the object. A) 1 m, B) 2 m, C) 3 m, D) 4 m, E) 5 m

Answer 1

Date : Page No. © (D) speed 꽈 Sling on sin Oz M2 → Sino- M2 sin oz 0.6601 ☆ O = 41:2° D 41.2 (3) (D) When the image distance is less than object focal is virtual. length image At an infinite distance w (E) (5) (6) 5m