Question

i) From the above table, find the focal length of lens without using lens

formula.

a) f = 50 cm b) f = 30 cm c) f = 15 cm d) f = 60 cm

ii) which set of observation is incorrect?

a) set 1 b) set 5 c) set 3 d) set 2

iii) In which case the size of object and image will be same?

a)set – 1 b) set – 5 c) set – 4 d) set – 3

iv) Which position of the object will produce an enlarged real image?

a) u = 24 cm b) u = 60 cm c) u = 30 cm d) u = 40 cm

v) Where should Rohit keep the object to get a virtual image?

a) at 30 cm b) at 10 cm c) at 60 cm d) at 15 cm​

Answer 1

Answer:

1 is the answer of the question