TS EAMCET 20-July-2022 Shift 2 Solved Paper

Section: Physics

Question : 115 of 160

Marks: +1, -0

A lamp of power 942W radiates energy uniformly in all direction. The wavelength of radiation is 660nm. The photon flux on a small screen 5.0m from the lamp in units of ‌

‌ photon ‌

m2⋅s

is
(Take Planck's constant h=6.6×10−34SI unit )

5×1020
2π×1019
‌
6
π
×1018
1×1019

Validate

Go to Question:

Prev Question

Next Question