Physics Past Paper Questions

Change Subject
Q 121:A body of mass 2 kg has KE = 25J. Its speed is:
A
25ms-1
B
5ms-1
C
15ms-1
D
125ms-1
Rawalpindi, 2019
View Answer
Q 122:Find the magnitude of force if its perpendicular components are: Fx = 4N , and Fy = 3:
A
25N
B
7N
C
1N
D
5N
Rawalpindi, 2019
View Answer
Q 123:Heat capacity of 5 kg of water having specific heat equal to 4200 JKg-1K-1 is:
A
2100jk-1
B
21000jk-1
C
210Jk-1
D
21000Jk
Rawalpindi, 2019
View Answer
Q 124:In Einstein's mass energy relation c represents:
A
Specific heat capacity
B
Capacitance
C
Speed of light
D
Acceleration of light
Rawalpindi, 2019
View Answer
Q 125:Mass-energy equation is:
A
E=mc2
B
E=mc
C
E=1/2 mv2
D
E=m2c2
Rawalpindi, 2019
View Answer
Q 126:One joule is equal to:
A
1J = 1N
B
1J = 1N.1m
C
1J = 1N.1A
D
1J = 1N.1m2
Rawalpindi, 2019
View Answer
Q 127:Spring balance is used to measure:
A
Mass
B
force
C
Density
D
Pressure
Rawalpindi, 2019
View Answer
Q 128:The boiling point of lead is:
A
1750oC
B
175oC
C
170oC
D
750oC
Rawalpindi, 2019
View Answer
Q 129:The formula of centripetal acceleration is:
A
ac =v/r
B
ac =v2/r2
C
ac =v/r2
D
ac =v2/r
Rawalpindi, 2019
View Answer
Q 130:The formula of Latent heat of fusion is:
A
ΔQ= cmT
B
ΔQ= mcHf
C
ΔQ= Hf
D
ΔQ= mHf
Rawalpindi, 2019
View Answer
Total MCQs: 745Page 13 of 75
Previous13141516171819202122Next
Subjects
Biology
Chemistry
English
Islamiat
Pakistan Studies
Physics