Question

QUESTION 1

1. A ray of light travels through vacuum (n=1.00) and is incident upon a flat sheet of glass (n=1.50) at 40 degrees from the normal. Some of the light is reflected from the glass, and some of the light is refracted, traveling through the glass. What is the angle of reflection?

   	a.	25.4 deg
   	b.	74.6 deg
   	c.	90 deg
   	d.	40 deg

10 points   

QUESTION 2

1. A ray of light travels through vacuum (n=1.00) and is incident upon a flat sheet of glass (n=1.50) at 40 degrees from the normal. Some of the light is reflected from the glass, and some of the light is refracted, traveling through the glass. What is the angle of refraction?

   	a.	40 deg
   	b.	74.6 deg
   	c.	25.4 deg
   	d.	90 deg

10 points   

QUESTION 3

1. The focal length of a convex lens is 120 cm. A candle is placed 150 cm from the lens. How far from the lens will the image of the candle be formed?

   	a.	600 cm
   	b.	150 cm
   	c.	67 cm
   	d.	120 cm

10 points   

QUESTION 4

1. The focal length of a convex lens is 120 cm. A candle is placed 150 cm from the lens. Will the image be upright or inverted?

   	a.	It is impossible to answer this question without more information
   	b.	Inverted
   	c.	Upright
   	d.	No image will form

10 points   

QUESTION 5

1. The focal length of a convex lens is 120 cm. A candle is placed 150 cm from the lens. What is the magnification of the image?

   	a.	0.25
   	b.	-0.8
   	c.	-4
   	d.	5

Answer 1