PTS Physics Mcqs Online Test 6

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PTS Physics Mcqs Online Test 6 Preparation Question Answer

An ideal standard of measurement of a base quantity has characteristics


accessible
invariable
transportable only
a and b are correct

Correct!

Wrong!

Total uncertainty, in result obtained from the subtraction of two measurement, is equal to?

sum of their absolute uncertainties
difference of their absolute uncertainties
product of their absolute uncertainties
division of their absolute uncertainties

Correct!

Wrong!

Unit of G is?
 

Nm2Kg2
Nm2Kg
Nm2Kg-2
none

Correct!

Wrong!

How many main frontiers of fundamental science?

1 .
2 .
3 .
4

Correct!

Wrong!

One light year is equal to?
 

9.5x1015m
9.5x1015sec
9.5x1015Km
9.5x1015cm

Correct!

Wrong!

One pico stands for?
 

10 raised to power -15
10 raised to power -12
10 raised to power -9
10 raised to power -6

Correct!

Wrong!

Which one is the highest power multiple?

giga
beta
mega
deca

Correct!

Wrong!

Steradian is the SI unit of?
 

plane angle
solid angle
both plane angle and solid angle neither plane
angle nor solid angle

Correct!

Wrong!

The unit of force is _________ and its symbol is __________. Which is the correct pair?
 

Newton, n
Newton, N
. newton, n .
newton, N

Correct!

Wrong!

Absolute uncertainty in a measurement depends upon?
 

magnitude of the measurement
least count of the instrument
percentage error in the measurement
all of a, b and c

Correct!

Wrong!

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