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問題一覧
1
Which one of the following system of unit is the British system of unit?
FPS
2
Luminous intensity is the intensity of
visible light
3
Which one of the following statement is wrong?
Approximation gives accurate value
4
SI unit of temperature is
kelvin
5
Electric current is a _______ quantity
base
6
Closeness of two or more measured values is called as
precision
7
The solid angle is measured in
steradian
8
______ is used to measure electric current
ammeter
9
The uncertainty in measurement is called as
error
10
One mole of a substance contains ______ atoms or molecules.
6.023×10
11
The coldness or hotness of a substance is expressed by
temperature
12
The closeness of the measured value to the original value is
accuracy
13
The intersection of two straight lines gives us
plane angle
14
Temperature is a measure of total kinetic energy of the particles in a system
false
15
Amount of substance gives the number of particles present in a substance
true
16
Quartz clocks are used in GPS devices
false
17
If one coulomb of charge is flowing in one minute, it is called 'ampere'
false
18
Intensity of light coming from a candle is approximately equal to one 'candela'
true
19
Angle formed at the top of a cone is an example for plane angle
false
20
The number 4.582 can be rounded off as 4.58
true