Mansi Garg and Jitendra Kumar Solutions for Chapter: Light, Exercise 5: CHALLENGERS

At an instant, a watch shows time $2:35$ when seen through the mirror. What time will be appeared?

A $2 \mathrm{cm}$ high object is placed at a distance of $32 \mathrm{cm}$ from a concave mirror. The image is real, inverted and $3 \mathrm{cm}$ in size. The focal length of the mirror and the position, where the image formed are respectively, 

A girl of $160 \mathrm{cm}$ high stands in front of a plane mirror. Her eyes are at a height of $152 \mathrm{cm}$ from the floor. In order to see her full image for minimum length of mirror, where should the lower end of the mirror be placed? 

A man while driving his car, observes an ambulance van coming behind from his rear-view mirror. In what way is the word AMBULANCE printed in front of van?

Raj used a device to focus the image of a distant object on the screen as shown in the figure below. The device should be, 

Trace the path of a ray of light in the following diagram and choose the correct option.

From the following diagram, find out the angle of incidence in case of a plane mirror, if angle between incident and reflected ray is ${75}^0$.  

The diagram shows a patient having her eyes tested. A chart with letters on it is placed behind her, and she sees the chart reflected in a plane mirror.

How far away from the patient does the chart seem to be?