IIT JEE Questions And Answers :: Ray Optics And Optical Instruments: part1



IIT JEE : Ray Optics And Optical Instruments QUESTIONS AND ANSWERS :: part1 : 1 to 5

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2014 examinations :

1.Mark the correct option.An object is placed 40 cm away from a concave mirror of focal length 20 cm. The image formed is:

real, inverted and same in size
real, inverted and smaller
virtual, erect and larger
virtual erect and smaller

2.A boy of length 10m, to see his own complete image, requires a mirror of length at east equal to:

10/4
10/3
10/2
10

3.Mark the correct option in impure spectrum.

Order of colours is reverse
Order of colours is irregular
Colours are overlapped
No colour is present

4.Mark the correct option of source which is associated with a line emission spectrum.

Electric fire
Neon street sign
Red traffic light
Sun

5.Light of different colours propagates through air:

with velocity of air
with different velocities
with velocity of sound
with equal velocity

More Ray Optics And Optical Instruments QUESTIONS AND ANSWERS available in next pages

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