ECAT Pre General Science Chapter 19 online mcq test with answers for Physics chapter 19 (Dawn of Modern Physics)

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ECAT Pre General Science Physics Chapter 19 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 19 Dawn of Modern Physics

ECAT Pre General Science Physics Chapter 19 Dawn of Modern Physics

The energy of a photon in a beam of infrared radiation of wavelength 1240 nm is

The ratio of energy E to the corresponding frequency (f) of the radiation (emitted or absorbed) is called:

According to Einstein, with the great increase in the speed of the body the relativistic length of the body

The photon of radio-waves has energy of about

The value of the Stephen's constant for black body radiations is given by

The mass of an object will be doubled at speed

Max plank received the Nobel Prize in physics for his discovery of energy quanta in

In the compton's effect, it is found that the wavelength of incident x-rays is

Compton shift refers to:

The value of the plank's constant 'h' is given by

Momentum is a parameter associated with

When a position comes close to an electron they annihilate into photons such that

There is certain frequency below which no electrons are emitted from the metal surface, this frequency is known as

Electromagnetic radiation or photons interact with matter in

Photoelectrons are emitted when ultraviolet light falls on:

When a platinum wire is heated, it appears yellow at

A black body is

When a position comes close to an electron they annihilate into

The energy of a photon is represented by

A non-inertial frame of reference is one, in which

The concept of direction is purely:

The location and speed anywhere on earth can now be determined using relativistic effects by NAVISTAR to an accuracy of

When platinum wire is heated, then at the temperature of 500 oC, it becomes:

Newton's law of motion do not hold in

The Nobel Prize on the explanation of photoelectric effect was awarded to:

Photocell is a device which converts

The intensity of emitted energy (with wavelength) radiated from a black body at different temperatures was initially measured by:

In order to produce pair production, a photon must have a energy

the symbol to be used in relativity problems denotes:

Victor de-Brogile received the Nobel prize in physics in

Prepare Complete Set Wise ECAT Pre General Science Physics Chapter 19 Dawn of Modern Physics MCQs Online With Answers

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Top Scorers Of ECAT Pre General Science Physics Chapter 19 Dawn of Modern Physics MCQ`s Test

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When platinum wire is heated, then at the temperature of 500 ^oC, it becomes: