SUNIL BATRA (41 YEARS IITJEE PHYSICS)|Exercise Comprehension Based Questions|2 Videos
MOVING CHARGES AND MAGNETISM
SUNIL BATRA (41 YEARS IITJEE PHYSICS)|Exercise MCQs(d )|1 Videos
Similar Questions
Explore conceptually related problems
If a source of power 4 kW produces 10^(20) photons // second, the radiation belongs to a part of the spectrum called:
If a source of power 8 kW producees 10^(22) photons/ second, the wavelength of the radiation is
If a monochromatic source of light of power 1 kW emits 6xx10^(22) photons per second , then what should be the frequency of light emitted from the source ?
A monochromatic source of light operation at 200 W emits 4xx10^(20) photons per second. Find the wavelength of the light "(in" 10^(-7)m ).
A monochromatic source of light operating at 200W emits 4*10^(20) photons per second.Find the wavelength of the light nearly
A monochromatic source of light operating at 200W emits 4xx10^(-20) photons/sec. Find the wavelength of the light . (Given h = 6.63xx10^(-34) Js)
Two sources of sound produce 20 beats in 4 second. What is the difference in frequencies of the two sources?
Lifetimes of the molecules in the ecited states are often measured by using pulsed radiation source of duration nearly in the nano second range. If the radiation source has the duration of 2 ns and the number of photons emitted during the pulse is 2.5xx10^(15) , calculate the energy of the source.
SUNIL BATRA (41 YEARS IITJEE PHYSICS)-MODERN PHYSICS-MCQ (One Correct Answer
