WorksheetsChapter # 01 (Physics)
Total questions: 25
Worksheet time: 50mins
2 × 10−3
2 × 10−6
2 × 10−9
2 × 10−12
Force
Pressure
Work
power
How many no. of significant figures are there in 0.000450
7
2
3
6
How many significant figures are there in
2.10 ×1032
3
4
5
The unit of force is __________, and it is represented as ___________. Which one of the following is correct pair.
Newton , n
newton , N
Newton , N
newton , n
Error occurs due to inexperience and negligence of a person is called
Personal error
Random error
Systematic error
None of these
Error occur due to faulty apparatus is called:
Personal error
Systematic error
Random error
None of these
Zero is not significant figure only if it
Lies to the left of significant digit.
In between two significant numbers.
lies to the right of significant figure.
lies before the decimal point.
If the reading is taken by a measuring scale whose minimum division is 1mm, then which one is the correct reading?
1.1 m
2.01 m
5.001 m
3.0001 m
An accurate measurement is one which has less
Precision
Absolute uncertainty
percentage uncertainty
None of these
Absolute uncertainty is added in the following operation
Multiplication
division
Subtraction
All of above
The dimension for the following pair is not the same
Work and energy
Work and torque
Momentum and impulse
mass and moment of inertia
The dimension of strain is:
MLT−2
ML2T
ML2T2
MoLoTo
Unit of G is?
Nm2kg2
Nkgm2
N2m2kg2
Nm2kg−2
A precise measurement is the on which has
less absolute uncertainty
less fractional uncertainty
less percentage uncertainty
none of these
Does the dimensional analysis gives any information about constant factors?
Yes
No
If
3.05±0.01 is subtacted by 5.015 ± 0.005 , Then the result is:8.065±0.005
1.965±0.015
1.9±0.01
1.5±0.05
In Scientific notation, the number 16541290 is expressed as
0.165 × 108
0.165 ×10−8
1.654 ×107
1.654×10−7
Silicon is abundantly obtained from
water
stones
metal
sand
A student added three figures 72.1, 3.21 and 1.003, The correct answer regarding the rules of significant figure is
76.423
76.42
76.4
76
A light year is a unit for
time
distance
speed
acceleration
How many years in one second ?
3.1 ×10−6 years
3.1 ×10−7 years
3.1×10−8 years
3.1×10−9 years
Which one of the following is the least multiple?
Peco
Femto
nano
Atto
The branch of physics which deals with the ultimate particles of which the matter is composed is
Atomic physics
plasma physics
Solid state physics
particle physics
The branch of physics which deals with the study of atomic nuclei is called
atomic physics
Nuclear physics
Thermodynamics
Electromagnetism
