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

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

A

Asghar Ali 03 - Mar - 2021 10 Min 50 Sec 100/120
S

shamsuddin 19 - Aug - 2021 10 Min 50 Sec 75/120
K

khadim Hussain 03 - Mar - 2021 10 Min 50 Sec 75/120
A

Ali ahmad 19 - Jul - 2018 09 Min 44 Sec 70/120
A

Aarij 08 - Dec - 2024 02 Min 25 Sec 65/120
W

Waleed Ahmed 26 - Feb - 2023 10 Min 00 Sec 65/120
Z

Ziyad Rehman Sheikh 16 - Nov - 2022 07 Min 21 Sec 40/120
M

maha 01 - Mar - 2023 04 Min 24 Sec 35/120

ECAT Physics Chapter 19 Important MCQ's

Sr.#	Question	Answer
1	Newton's law of motion do not hold in	A. an accelerated frame of reference B. an unaccelerated frame of reference C. both of these D. none of these
2	Photocell is a device which converts	A. chemical energy into electrical energy B. electrical energy into light energy C. heat energy into electrical energy D. light energy into electrical energy
3	Max Planck received the Nobel Prize for his discovery of energy quants in:	A. 1718 AD B. 1918 AH C. 1818 AD D. 1918 AD
4	Wien's constant is measured in:	A. Metre per kelviin B. Metre kelvin C. Kelvin per meter D. Joules
5	As the light shines on the metal surface, the electrons are ejected	A. slowly B. instantaneously C. either of these D. none of these
6	Davision and Germer performed experiment to verify	A. de-Brogile hypothesis B. theory of relativity C. Newton's law of gravitation D. Mass-energy relation
7	The concept of direction and position are purely	A. absolute B. relative C. absolute or relative D. none of these
8	The energy of a photon is represented by	A. h/c² B. h/T C. hc² D. hf/c²
9	Compton was awarded Nobel prize in physics in	A. 1921 B. 1923 C. 1925 D. 1927
10	The inside cavity of the black body is	A. painted white B. painted silver C. blackened with soot D. painted red

Latest Educational News Stories

Pakistan's Largest Database of Colleges and Universities

BS Programs

University Past Papers

University Results

Exam Results 2024

Study Abroad Programs and Opportunities for Pakistani Students

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

Wave nature of particle was proposed by

The photoelectric effect, the maximum energy of photoelectrons depends on the

The unit of work function is:

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

Pair production is the phenomenon in which

According to the Max plank, energy is redialed or absorbed in

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

S.I. unit of planks constant is

According to the special theory of relativity

The inside cavity of the black body is

The emission of electrons from a metal surface when exposed to light of suitable frequency is called the

A particle having mass and charge equal to that of an electron is called:

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

Compton derived an expression to find compton shift by applying to the process, the law of conservation of:

The general theory of relativity treats problems involving

If a material object moves with the speed of light 'C' its mass becomes

A photon is considered to have

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

Position was discovered by Carl Anderson in

The stopping voltage for a certain metal is 100 volts, then the work function for the cathode plate is

Wien's constant is measured in:

An intertial frame of reference is a frame of reference which is

the dilation of time applies to the timing processes which are:

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

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

The special theory of relatively treats the problems involving:

As compared to the distance measured by an observer on Earth, the distance from Earth to a star measured by an observer in a moving spaceship would seem:

The analysis of the distribution of wavelengths of the radiation emitted from a hot body set the foundation of new mechanics, known as

The concept of direction and position are purely

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

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

Set 1

Set 2

Set 3

Set 4

Set 5

Topic Test

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

ECAT Physics Chapter 19 Important MCQ's

Test Questions

Share your comments & questions here