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Pre-Test Exam-2022_Physics_MCQ_EV_Sample Questions

Page 1 of 2

Subject Code: 1 7 4

B A F Shaheen College Dhaka Pretest Examination-2022

Sample Question Subject: Physics (MCQ)

Time: 25min Full marks: 25

1. makes an angle with X axis. If the component along Y axis is 3unit, then what is the

component along X axis?

i. 3 3

ii. 5.19 iii. 6

a) i,ii b) i,iii c) ii.iii d) i,ii,iii

2. What is the angle between P and Q ?

a) 120 b) 0 90 c) 0 60 d) 0 45 0 3. Which one is correct in case of following figure?

i. V=+ve .

ii. V.=0

iii. The vector is solenoidal a) i,ii b) i,iii c) ii.iii d) i,ii,iii

Give the answer of questions 4-5 from the following stem:

A point travels from (2,−3,5) to (2,5,8)

4. Which one is displacement vector?

a) j k 3 8 −

− b) i j k 13 2

4 + +

c) i j k 40 15

4 − + d) j k

3 8 +

5. At what plane the displacement vector is present?

a) Plane 1 b)Plane 2 c)Plane 3 d)XYZ Plane 6. Which one is non conservative force?

a) viscous force b) spring force c) gravity force d) elastic force 7. 10N force is applied on a rest object of

mass 50Kg. What is the kinetic energy after 5sec?

a) 25J b) 50J c) 100J d) 150J 8. Which is correct?

i. In case of spring work done due to external force is always positive ii. In case of expansion work done

due to spring is negative

iii. In case of contraction work done due to spring is negative

Which one is correct?

a) i,ii b) i,iii c) ii d) i,ii,iii 9. A car is moving with a velocity of

36Km/h. For what velocity the kinetic energy become two times?

a) 7ms-1 b) 14ms-1

c) 20ms-1 d) 54ms-1

10. In a circus a motor cyclist revolves himself vertically in a circular path of radius 5m.

At highest point for what minimum velocity he will not fell down?

a) 7ms-1 b) 14ms-1

c) 20ms-1 d) 54ms-1 11. If a force, F (5i 3j 2k)N

− +

= is applied

on an object of mass 2kg, then what is the magnitude of acceleration?

a) 2

3 18

ms b) 3 2ms2

c) 2

3

2

ms d) 2

2

3

ms

12. A wheel of a car revolves 2000times in 30min and it travels 10km path. What is the circumference of wheel?

a) 5m b) 10m

c) 15m d) 20m

P

Q

R

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Pre-Test Exam-2022_Physics_MCQ_EV_Sample Questions

Page 2 of 2 13. 8N force is applied on an object of mass

16kg for 4sec. What change occur in velocity on that object?

a) 0.5ms-1 b) 2.0ms-1 c) 4.0ms-1 d) 8.0ms-1

14. If path difference = 3.5

, which one is correct?

a) Form a 3rd constructive interference b) Form a 3rd destructive interference c) Form a 7th destructive interference d) It is not possible to form interference 15. Which one is the condition for minimum

in case of grating?

a) dsin

=n

b) asin =(2n+1)2 c) dsin =(2n+1)2 d) dsin =(2n+1)

16. For which property of the following the light can be polarized?

a) High frequency b) Longitudinal wave c) Law wavelength d) Transverse wave

17. The process to confined the vibration of light to a definite plane is called--- a) Interference b) Diffraction c) Polarization d) Refraction 18. Which is the thermal variable?

i. Pressure ii. Internal energy iii. Temperature Which one is correct?

a) i, ii b) i, iii c) ii, iii d) i, ii, iii

19. A system absorbs 1800J heat energy and complete 1200J work done on the system.

What is the change of internal energy of the system?

a) 600Jdecrease b) 600Jincrease c) 3000J decrease d) 3000J increase 20. What happen in 2nd step in the Carnot

cycle?

a) Isothermal contraction b) Adiabatic contraction c) Isothermal expansion d) Adiabatic expansion

21. Which is correct in case of adiabatic process?

i. PV =Constant ii. TV =Constant

iii. Constant

1

=

TP

Which one is correct?

a) i. ii b) ii,iii c) i.iii d) i.ii,iii

22. Capacitance of sphere conductor---- a) C=

a) C =4



0r

c) C =2



0r d) C r

4 0

1

= 

23. What is the force on an electron in electric field 104 N/C?

a) 1.61015N b) 1.61019N c) 1.61023N d) 1.61031N Acording to stem give the answer of questions 24-25

24. How much electrons are gained by sphere B?

a) 1.61019F b)

19F 10 2 .

3 

c) 6.251018F d)

19F 10 25 .

1 

25. Which one is correct?

i. Mass of A and B are equal

ii. Charge density of A and B are equal iii. Electric intensity on surface of A and

B are different Which one is correct?

a) i. ii b) ii,iii c) i.iii d) i.ii,iii

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