Question

Q.4 Choose the correct option in questions:

1. A virtual image larger than the object can be produced by a

(i) concave lens (ii) concave mirror (iii) convex mirror (iv) plane mirror

2. David is observing his image in a plane mirror. The distance between the mirror and his image
is 4 m. If he moves 1 m towards the mirror, then the distance between David and his image will
be

(i) 3 m (ii) 5 m (iii) 6 m (iv) 8 m

3. The rear view mirror of a car is a plane mirror. A driver is reversing his car at a speed of 2
m/s. The driver sees in his rear view mirror the image of a truck parked behind his car. The speed
at which the image of the truck appears to approach the driver will be

(i) 1 m/s (ii) 2 m/s (iii) 4 m/s (iv) 8 m/s​

Answer 1

Answer:

1. concave mirror

2.6m

3.4m/s