Home
Class 12
PHYSICS
If minimum deviation is deltam, for pris...

If minimum deviation is `delta_m`, for prism then refractive index of material of prism is ......

A

`mu=(sin(A+deltam))/((2)/(sinA//2))`

B

`mu=(sin((A+deltam)/(2)))/(sinA//2)`

C

`mu=(2sin(A+deltam))/(sinA)`

D

`mu=(sin(A+deltam))/(sinA)`

Text Solution

Verified by Experts

The correct Answer is:
B
`mu=(sin((A+deltam)/(2)))/(sinA//2)`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • RAY OPTICS AND OPTICAL INSTRUMENTS

    KUMAR PRAKASHAN|Exercise SECTION-D (MULTIPLE CHOICE QUESTIONS (MCQs))(MCQs FROM .DARPAN. BASED ON TEXTBOOK)(NATURAL PHENOMENA DUE TO SUN LIGHT )|11 Videos

  • RAY OPTICS AND OPTICAL INSTRUMENTS

    KUMAR PRAKASHAN|Exercise SECTION-D (MULTIPLE CHOICE QUESTIONS (MCQs))(MCQs FROM .DARPAN. BASED ON TEXTBOOK)(OPTICAL INSTRUMENTS)|13 Videos

  • RAY OPTICS AND OPTICAL INSTRUMENTS

    KUMAR PRAKASHAN|Exercise SECTION-D (MULTIPLE CHOICE QUESTIONS (MCQs))(MCQs FROM .DARPAN. BASED ON TEXTBOOK)(REFRACTION, MAGNIFICATION, POWER AND COMBINATION OF LENS)|29 Videos

  • MOVING CHARGES AND MAGNETISM

    KUMAR PRAKASHAN|Exercise SECTION D (MCQs ASKED IN COMPETITIVE EXAMS)|34 Videos

  • SAMPLE QUESTION PAPER

    KUMAR PRAKASHAN|Exercise PART-B SECTION-C|5 Videos

Similar Questions

Explore conceptually related problems

A prism is made of glass of unknown refractive index. A parallel beam of light is incident on a face of the prism. The angle of minimum deviation is measured to be 40^(@) . What is the refractive index of the material of the prism? The refracting angle of the prism is 60^(@) . If the prism is placed in water (refractive index 1.33), predict the new angle of minimum deviation of a parallel beam of light

A ray of light passes through a prism in a principle plane the deviation being equal to angle of incidence which is equal to 2alpha . It is given that alpha is the angle fo prism and mu is the refractive index of the material of prism, then

Knowledge Check

  • Minimum deviation of prism having refractive index mu and small angle of prism A is shown by .....

    A
    `delta_m=(mu-1)A`
    B
    `delta_m=A(mu+1)`
    C
    `delta=(sin((A+delta_m)/(2)))/(sintheta/2)`
    D
    `delta_m=A[(mu-1)/(mu+1)]`

  • Angle of minimum deviation for a prism of refractive index 1.5 is equal to the angle of prism of given prism. Then the angle of prism is ...... (sin 48^@36. = 0.75)

    A
    `41^@24.`
    B
    `60^@`
    C
    `80^@`
    D
    `82^@48.`

  • Monochromatic light is incident on a glass prism of angle A. If the refractive index of the material of the prism is mu , a ray, incident at an angle theta , on the face AB would get transmitted through the face AC pf the prism provided.

    A
    `theta gt sin^-1 [mu sin (A-sin-1((1)/(mu)))]`
    B
    `theta lt sin^-1 [mu sin (A-sin-1((1)/(mu)))]`
    C
    `theta gt cos^-1 [mu sin (A+sin-1((1)/(mu)))]`
    D
    `theta lt cos^-1 [mu sin (A+sin-1((1)/(mu)))]`

    • Similar Questions

    Explore conceptually related problems

    A prism when placed in water instead of air, its ........

    The angle of incidence for a ray of light at a refracting surface of a prism is 45^@ . The angle of prism is 60^@ . If the ray suffers minimum deviation through the prism, the angle of minimum deviation and refractive index of the material of the prism respectively, are

    For a prism of refractive index 1.732, the angle of minimum deviation is equal to the angle of prism. Then the angle of the prism is

    A horizontal ray is incident on a right-angled prism with prism angle of 4o. If the refractive index of material of the prism is 1.5, angle of emergence is .......... . Use the given figure.

    A beam of light consisting of red, green and blue colours is incident on a right angled prism. The refractive index of the material of the prism for the above red, green and blue wavelengths are 1.39, 1.44 and 1.47 respectively. The prism will :

    Home
    Profile