If in a plano-convex lens, the radius of curvature of the convex surface is 10 c

Question

If in a plano-convex lens, the radius of curvature of the convex surface is 10 cm and the focal length of the lens is 30 cm, then the refractive index of the material of lens will be
[CPMT 1986; MNR 1988; MP PMT 2002; UPSEAT 2000]

Options:

A . 1.5

B . 1.66

C . 1.33

D . 3

Answer: Option C
:
C

Was this answer helpful ?

Next Question

Submit Solution

More Questions on This Topic :

Question 1. An object is placed at a distance of f2 from a convex lens. The image will be formed:....

Question 2. The focal length of a concave mirror is 50cm Where an object be placed so that its image is two times and inverted ....

Question 3. An object 5 cm tall is placed 1 m from a concave spherical mirror which has a radius of curvature of 20 cm. The height o....curvature of 20 cm. The height of the image is

Question 4. An object 2.5 cm high is placed at a distance of 10 cm from a concave mirror of radius of curvature 30 cm &#....30 cm The size of the image is

Question 5. In a Young's double slit experiment with wavelength 5890˙A, there are 60 fringes in the field of vision How&#....the same field of vision if wavelength used is 5460˙A?

Question 6. In Young’s double slit experiment, the distance between the slits is 0.2 mm and the distance of the screen from t....between two points separated by 1 cm on the screen.

Question 7. The similarity between the sound waves and light waves is [KCET 1994]....

Question 8. Of the two slits producing interference in Young’s experiment, one is covered with glass so that light intensity&....is reduced to 50%. Which of the following is correct?

Question 9. The distance between two slits is 1.2 mm. If the wavelength of light used is 4800˙A and the screen is at a d....on the screen in the space opposite to the slits

Question 10. Two slits separated by 0.200 mm are to be used in Young’s double – slit experiment. Immediately behi....maxima of the interference pattern are separated by 1.00 mm?

Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

DSP Combined 1 Free Revision Test SAIL JO E-0

GPOE / GPA Combined 1 Free Revision Test SAIL JO E-0

BSP Plant Specific Review Test SAIL JO E-0

BSL Combined 1 Free Revision Test SAIL JO E-0

GFM Combined 1 Free Revision Test SAIL JO E-0

Submit Solution

More Questions on This Topic :

Latest Videos

Latest Test Papers