M C Q s D r i v e

Physics 914 MCQs [All-Courses]

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Physics is a core science subject that deals with the study of matter, energy, motion, force, heat, light, electricity, magnetism, and modern physics concepts. It plays a vital role in competitive exams such as PPSC, FPSC, NTS, OTS, KPPSC, BPSC, AJKPSC, CSS, and PMS, where questions test conceptual understanding, numerical problem-solving, and application of laws and formulas. 

What are the dimensions of stress ?
A MLT-2
B ML-2T-1
C ML-1T-2
D ML-T-1
Correct Answer: ML-1T-2
Which of the following substances posses the highest elasticity ?
A Rubber
B Steel
C Glass
D Copper
Correct Answer: Steel
Biomass can be converted into fuels by____________________?
A direct combustion
B fermentation
C both A and B
D none of these
Correct Answer: both A and B
________________ cells converts solar energy into electrical energy?
A rotory
B photovoltaic
C galvanic
D non of these
Correct Answer: photovoltaic
Geothermal energy is a _______________________ source of energy?
A non-renewable
B stable
C renewable
D none of the above
Correct Answer: renewable
Propulsion force of a rocket is____________________?
A non-conservative force
B conservative force
C both A and B
D none of these
Correct Answer: non-conservative force
The area under the force displacement graph represents__________________?
A area
B work done
C power
D none of these
Correct Answer: work done
A man lifts vertically a weight of 40kg through 1m in 10s; while a chile lifts vertically a weight of 10kg through a distance of 1m in 1s. What will be correct inference ?
A man does more work than child
B child does more work than man
C both do the same amount of work
D it is a foolish question
Correct Answer: child does more work than man
When two protons are brought together_____________________?
A Kinetic energy increases
B P.E. between them increases
C P.E. between them decreases
D P.E. between tem does not change
Correct Answer: P.E. between them increases
The relation between the escape velocity V esc and orbital speed Vo is given by________________?
A V esc = 1/2Vo
B V esc = -2 Vo
C V esc = Vo
D V esc = 2Vo
Correct Answer: V esc = -2 Vo