Home
Class 12
PHYSICS
Three light sources A,B, and C emit equa...

Three light sources A,B, and C emit equal amount of radiant energy per unit time. The wavelength emitted by the three sources are 450 nm, 555 nm and 700 nm respectively. The brightness sensed by an eye for the sources are `X_A, X_B and X_c` respectively. Then

A

`X_AltX_B,X_CgtX_B`

B

`X_AgtX_B,X_BgtX_C`

C

`X_BgtX_A,X_BltX_C`

D

`X_BgtX_A,X_CgtX_B`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • PHOTOMETRY

    HC VERMA|Exercise Objective 2|4 Videos

  • PHOTOMETRY

    HC VERMA|Exercise Exercises|16 Videos

  • PHOTOMETRY

    HC VERMA|Exercise Short Answer|8 Videos

  • PHOTO ELECTRIC EFFECT AND WAVE PARTICLE DUALITY

    HC VERMA|Exercise Exercise|2 Videos

  • SEMICONDUCTOR AND SEMICONDUCTOR DEVICES

    HC VERMA|Exercise exercises|35 Videos