Contents

Which of the following mirror is/are used when wide field of view is required?
a) concave                                           

b) convex
c) plane                                 

d) all of these

b

Which of the following mirror/s is/are installed in sharp turns in hilly areas to avoid vehicle from colliding?
a) concave                                           

b) convex
c) plane                                 

d) both a and b

b

Which of the following mirror is/are used by the drivers to navigate blind spots and look for approaching traffic through the mirror?
a) concave                                           

b) convex
c) plane                                 

d) all of these

b

EXERCISE:


A ray of light is incident towards a plane mirror at an angle of 30-degrees with the mirror surface. What will be the angle of reflection?
a) 30◦    

b) 60◦                    

c) 90◦    

d) 45◦

a

 If the angle of incidence is 45◦, then what will be the angle of reflection?
a) 0◦      

b) 45◦                    

c) 90◦    

d) 180◦

b