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

The machines which deals with the objects moving with velocities approaching that of light is called:

Question # 2

Astrophysics is a branch of physics, which deals with:

Question # 3

High energy physics is branch of physics, which deals with:

Question # 4

Significant figures in 0.0010 are:

Question # 5

1 gm-cm-3is equal to

Question # 6

Density is defined as:

Question # 7

Which quantity has different dimension?

Question # 8

0.0001210 has ____________ significant figures.

Question # 9

Radio telescope is used to gather information from

Question # 10

Physical quantities are often divided into ______ categories

Question # 11

In the equation E=mc2 value of c is?

Question # 12

Addition of 2.189 kg, 0.089 kg, 11.8 kg, and 5.32 kg gives the rounded off answer as:

Question # 13

The quantity having dimension of ML2T02will earth is:

Question # 14

Aerodynamics is a branch of:

Question # 15

For multiplication and division purposes, percentage uncertainties are:

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ECAT Physics Chapter 1 Important MCQ's

Sr.# Question Answer
1 The maximum possible error in the reading of an instrument is ______ its least count.
A. Half of
B. Quarter of
C. Equal to
D. Double than
2 Diameter of the atom is of the order of
A. 10-10m
B. 10-12m
C. 10-15m
D. 10-9m
3 From sand, we get a material used for construction of computer chips. That material is called:
A. Copper
B. Lead

C. Silicon
D. Germanium
4 Electron is a particle whose mass is:
A. Greater than that of a proton
B. Smaller than that of a proton
C. Smaller than that of a proton or a neutron
D. Greater than that of an atom
5 Light year is a unit of
A. Time
B. Distance
C. Velocity
D. Intensity of light
6 Which of the following are the units of intensity of light
A. Pois
B. Lux
C. Siemen
D. Candela
7 Those quantities which can be measured accurately are known as
A. Physical Quantities
B. Scalar Quantities
C. Vector Quantities
D. Non Physical Quantities
8 If the absolute uncertainty of an instrument is 0.0a1 cm, then its least count will be :
A. 0.005 cm
B. 0.01 cm
C. 0.02 cm
D. 0.001 cm
9 Which one is the least multiple:
A. Pico
B. Femto
C. Nano
D. Atto
10 Examples of physical quantities are:
A. Length
B. Color
C. Effect of music
D. All of these

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  • Mian

    Mian

    26 Jun 2018

    Send me notes ecat

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