🧪 General Science MCQ Quiz Hub

1. Two Flat mirrors are placed at an angle of 60° from each other. How many images will be formed of a Candle placed in between them?
Three
Four
Five
Six

2. The X-ray crystallography mainly uses which among the following properties of electromagnetic radiation?
Reflection
 Diffraction
Interference
Refraction

3. With reference to a swinging pendulum; which among the following statements is correct when it is at bottom (middle of arc)?
It has maximum kinetic energy and minimum potential energy
 It has maximum potential energy and minimum kinetic energy
It has zero kinetic energy
It has zero total energy

4. Which of the following is/are part of the Classical Physics?
Optics
Thermodynamics
Both a and b
None

5. Nuclear Reactors are based on which of the following phenomenon?
Magnetic confinement of Plasma
Nuclear Fusion
Controlled Nuclear Fission
None of the above

6. What is the S.I unit of Coefficient of Mutual inductance?
weber
candela
 henry
lambert

7. Curie the a unit of which of the following?
Luminescence
Radioactivity
Pressure
Mass

8. The branch of mechanics which deals with the study of motion of material objects without taking into account the factors which cause motion is called as:
Statics
Kinematics
Dynamics
 None of the above

9. The acceleration at a given instant of time is called as:
Average acceleration
 Instantaneous acceleration
Variable acceleration
Zero acceleration

10. What is represented by the slope of a straight line joining two points on a velocity-time graph?
Average velocity
Instantaneous acceleration
Average acceleration
 None of the above

11. Which of the following conditions is true for an object to be in equilibrium?
No linear motion of the object
No rotational motion of the object
 Minimum potential energy of the object
All of the above

12. Which of the following statements regarding vectors is NOT correct?
A unit vector is dimensionless
A vector cannot be divided by a vector
 A vector changes; when it is displaced to itself
 Current is not a vector quantity

13. What is the apparent weight of the person when the elevator is accelerating downwards?
equal to the actual weight
greater than the actual weight
 less than the actual weight
0

14. Which of the following is NOT a method to reduce friction?
By lubrication
 By polishing
 throwing sand on the ground
None of the above

15. Which of the following is correct about the coefficient of limiting friction between any two surfaces in contact?
 it is equal to twice the tangent of angle of friction
 it is equal to twice the sine of angle of friction
 it is equal to the tangent of angle of friction
it is equal to the sine of angle of friction

16. What happens to the velocity of a light body when it undergoes an elastic collision in one dimension with a very heavy body at rest?
its velocity becomes twice
it rebounds with twice of its own velocity
 it rebounds with its own velocity
 it stops and comes to rest

17. The value of acceleration due to gravity is minimum on which of these planets?
Mars
Jupiter
 Mercury
Neptune

18. What is the gravitational potential energy for infinite distance?
0
 infinity
9.8 J
None of the above

19. On which of the following the gravitational force between two objects does not depend?
Gravitational constant
Distance between the objects
 Product of the masses of the objects
Sum of the masses of the objects

20. Which of the following has an effect on the value of acceleration due to gravity?
Shape of the earth
Height above the earth surface
 Axial rotation of the earth
All of the above

21. The acceleration due to gravity on any planet does not depend on which of the following?
Radius of the planet
 Mass of the planet
Density of the planet
Mass of the object

22. What happens to the orbital velocity of a satellite when the radius of orbit is increased?
it decreases
it increases
it remains same
 None of the above

23. What is the time period for a satellite orbiting close to the surface of earth?
84.6 minutes
72.4 minutes
44.8 minutes
24 hours

24. Which of the following states of matter has the weakest Intermolecular forces?
Solids
Liquids
Gases
It is same in solids; liquids and gases

25. What is the property of matter by which a body tends to regain its original configuration after the removal of deforming force known as?
Plasticity
Ductility
Elasticity
Malleability

26. Which of the following statements is correct?
 Bulk stress occurs only in liquids
Longitudinal stress occurs only in solids
Both a and b
None of the above

27. On which of the following principles is Hydraulic lift based?
 Pascal law
Bernoulli’s principle
Stoke’s law
Torricelli’s law

28. Which of the following statements about Pressure and Stress is NOT correct?
Pressure is always normal to the area
Pressure is always compressive in nature
Stress can be normal or tangential to the area
Stress is always compressive in nature

29. Which of the following is NOT an application of principle of floatation?
Ships
Balloons
Submarines
None of the above

30. What happens to a body when its density is equal to the density of the fluid?
it floats
it sinks
 it remains suspended
None of the above

31. What is the shape of meniscus when angle of contact is greater than 90°?
Concave
Convex
Plane
None of the above

32. Which of the following represents the Density of a material?
Mass/weight
Mass/Length
Mass/Volume
Mass/Area

33. Which of the following statements is correct?
Bulk stress occurs only in liquids
 Longitudinal stress occurs only in solids
Both a and b
None of the above

34. Which of the following is NOT an application of principle of floatation?
 Ships
Balloons
Submarines
 None of the above

35. Which of the following is equal to the upthrust of the body?
mass of body
weight of liquid
weight of liquid displaced
density of liquid

36. What is the difference of pressure between two sides of the liquid surface called as?
Excess Pressure
Surface Pressure
Fluidic Tension
Viscosity

37. Which is the effect of increase in impurities on the surface tension of the liquid?
It increases
It decreases
It may increase or decrease
 No change

38. What is the angle of contact for pure water and glass?
0°
 30°
180°
90°

39. What is the density of air at room temperature?
1.41
1.75
 1.29
1.9

40. When are the two particles said to be in same phase?
 if the phase difference between them is an even multiple of π
if the path difference is an even multiple of (λ / 2)
if the time interval is an even multiple of (T/ 2)
All of the above

41. What are the oscillations of a body whose amplitude goes on decreasing with time called as?
Free oscillation
Maintained oscillation
Forced oscillation
Damped oscillation

42. What is the relationship between the spring constant k and the spring length in case of spring pendulum?
spring constant is inversely proportional to the spring length
spring constant is directly proportional to the spring length
spring constant is independent of the spring length
spring constant is twice the spring length

43. Which of these is NOT an example of Periodic motion?
Revolution of earth around the sun
Rotation of earth about its polar axis
Motion of minute’s hand of a clock
 None of the above

44. Which of the following produces Electromagnetic waves?
charges at rest
charges in uniform motion
accelerated charges
All of the above

45. What is the direction of electric and magnetic fields in an electromagnetic wave?
 parallel to each other
perpendicular to each other
at 45° to each other
at 120° to each other

46. Which of the following electromagnetic waves in the EM spectrum has the highest wavelength?
X-rays
Visible
 Infrared
UV-rays

47. Which of the following represents the total momentum transferred to a surface by an electromagnetic wave?
 Total energy transferred/Speed of light
 Total energy transferred/ 2 x Speed of light
2 x Total energy transferred/Speed of light
None of the above

48. What do we call the distance between two consecutive compressions of a sound wave?
Wave number
Frequency
Wavelength
Amplitude

49. Which of the following represents the speed of a sound wave?
 wavelength x frequency
2 x wavelength x frequency
wavelength/frequency
(wavelength x frequency)/2

50. In which of the following mediums will sound travel with greater speed at 0° C?
 Aluminium
Water
 Hydrogen
Same in all of the above

51. Which of the following is correct about the properties of Sound waves?
Sound waves are longitudinal waves
Sound waves are transverse waves
Sound waves are both longitudinal and transverse
None of the above