Online MCQ Test for ECAT Physics Unit Ch 19

Matric Part 2/10th Class English Chapter 1 MCQ Test With Answer for Chapter 1 Hazrat Muhammad (S.A.W) an Embodiment of Justice

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ECAT Pre General Science Physics Chapter 19 Dawn of Modern Physics

ECAT Pre General Science Physics Chapter 19 Dawn of Modern Physics

ECAT Pre General Science Physics Chapter 19 Dawn of Modern Physics

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

The Stephen-Boltzmann law for the black body radiation is given by

Photocell is a device which converts

Which one of the following physical quantities changes with relativistic speed

The mass 'm' of a body moving at 0.8 c (whose rest mass is mo) becomes

From the theory of relativity, momentum p of the photon is related to energy as

The mass of an object will be doubled at speed

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

Intensity of light determines the:

Pair production is the phenomenon in which

The positron was discovered by:

The Einstein's changes in length, mass and time are not observed in common life because

Converse of pair production is known as

The idea of quantization of energy was proposed by:

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

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

Compton shift refers to:

A bar 1.0 m in length and located along x-axix moves with a speed of 0.75 c with respect to a stationary observer. The length of the bar as measured by the stationary observer is

There is no way to detect:

When a platinum wire is heated, it appears orange red at

An inertial frame is that frame in which

A high temperature, the proportion of shorter wavelengths radiation, emitted by the body

The nature of radiations emitted by a hot body depends upon its:

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

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

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

The inside cavity of the black body is

In process of annihilation of matter, the two photons produced move in opposite direction to converse

When a platinum wire is heated, it appears white at

The concept of direction and position are purely

Matric Part 2/10th Class English Chapter 1 MCQ Test With Answer for Chapter 1 Hazrat Muhammad (S.A.W) an Embodiment of Justice

Biology Chapter 1 - Answers Mode

Biology Chapter 1 MCQ - PDF

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