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

  1. 3 m
  2. 5 m
  3. 6 m
  4. 8 m

Please select your answer for more options

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

  1. 1 m/s
  2. 2 m/s
  3. 4 m/s
  4. 8 m/s

Please select your answer for more options