Home

Theory For Notes Making

Objective Assignment

Subjective Assignment

On Line Test

Video Lecture

Theory For Notes Making

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Objective Assignment

Q.1

A microscope has an objective of focal length 1.5 cm and an eye –piece of focal length 2.5 cm. If the distance between objective and eye-piece is 25 cm, what is the approximate value of magnification produced for relaxed eye?

(a) 75            (b) 110              (c) 140                 (d) 25

Ans.   (c)

Subjective Assignment

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

QUIZ

0
Created on By physicscart

Optical Instrument (Basic Level)

1 / 10

Substance on the choroid is

2 / 10

Astigmatism (for a human eye) can be removed by using

3 / 10

Circular part in the centre of retina is called

4 / 10

Image formed on the retina is

5 / 10

A person's near point is 50 cm and his far point is 3 m. Power of the lenses he requires for

(i)   reading and

(ii)   for seeing distant stars are

6 / 10

A person wears glasses of power – 2.5 D. The defect of the eye and the far point of the person without the glasses are respectively

7 / 10

Myopia is due to

8 / 10

The focal length of the objective lens of a compound microscope is

9 / 10

Microscope is an optical instrument which

10 / 10

Magnifying power of a simple microscope is (when final image is formed at D = 25 cm from eye)

Your score is

The average score is 0%

LinkedIn Facebook VKontakte
0%