ECAT Pre Computer Science Chapter 1 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 1 Measurements

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ECAT Physics Chapter 1 Measurements

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Question # 1

Density is defined as:

Question # 2

Astrophysics is a branch of physics, which deals with:

Question # 3

If the absolute uncertainty of an instrument is 0.0a1 cm, then its least count will be :

Question # 4

Electron is a particle whose mass is:

Question # 5

The error may occur due to:

Question # 6

Particles have the mass smallest of following is:

Question # 7

Density is defined as:

Question # 8

Electron is a particle whose mass is:

Question # 9

Radio telescope is used to gather information from

Question # 10

Physics is one of the branches of:

Question # 11

Number of supplementary units are

Question # 12

Uncertainty is of following type/types:

Question # 13

The definite number of significant figures in 5000 is:

Question # 14

Aerodynamics is a branch of:

Question # 15

Astrophysics is a branch of physics, which deals with

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ECAT Physics Chapter 1 Important MCQ's

Sr.# Question Answer
1 The quantity have dimension of ML2T02will have SI unit of:
A. Watt
B. Newton
C. Joule
D. Metre
2 Diameter of the nucleus s of the order of
A. 10-10m
B. 10-12m
C. 10-15m
D. 10-18m
3 For multiplication and division purposes, percentage uncertainties are:
A. Add
B. subtracted
C. Multiplied
D. Divided
4 Aerodynamics is a branch of
A. Hydrodynamics
B. Thermodynamics
C. Both of them
D. Statics
5 Number of supplementary units are
A. Three
B. Two
C. Seven
D. Five
6 Light year is a unit of:
A. Time
B. Distance
C. Velocity
D. Intensity of light
7 In the equation E=mc2value of c is:
A. 1,86,000 miles per hour
B. 1,86,000 miles per sec
C. 3 X 108m/sec
D. Both A and C
8 Silicon can be obtained from
A. Lead
B. Uranium
C. An isotope of oxygen
D. Sand
9 The branch of physics, which deals with the structure an properties of solids is called:
A. Plasma physics
B. Solid state physics
C. Any of above
D. Astro physics
10 The study of physics involves?
A. Structure of space and time
B. Interaction of electromagnetic radiation with matter
C. Both of them
D. Chemical changes

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