General%20Science/General%20Science%20-%20Physics%20MCQS Sample Test,Sample questions

Question:
Curie the a unit of which of the following?

1.Luminescence

2.Radioactivity

3.Pressure

4.Mass

Posted Date:-2021-02-21 13:25:17


Question:
In which of the following mediums will sound travel with greater speed at 0° C?

1. Aluminium

2.Water

3. Hydrogen

4.Same in all of the above

Posted Date:-2021-02-21 13:25:17


Question:
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?

1.Three

2.Four

3.Five

4.Six

Posted Date:-2021-02-21 13:25:17


Question:
Nuclear Reactors are based on which of the following phenomenon?

1.Magnetic confinement of Plasma

2.Nuclear Fusion

3.Controlled Nuclear Fission

4.None of the above

Posted Date:-2021-02-21 13:25:17


Question:
On which of the following principles is Hydraulic lift based?

1. Pascal law

2.Bernoulli’s principle

3.Stoke’s law

4.Torricelli’s law

Posted Date:-2021-02-21 13:25:17


Question:
On which of the following the gravitational force between two objects does not depend?

1.Gravitational constant

2.Distance between the objects

3. Product of the masses of the objects

4.Sum of the masses of the objects

Posted Date:-2021-02-21 13:25:17


Question:
The acceleration at a given instant of time is called as:

1.Average acceleration

2. Instantaneous acceleration

3.Variable acceleration

4.Zero acceleration

Posted Date:-2021-02-21 13:25:17


Question:
The acceleration due to gravity on any planet does not depend on which of the following?

1.Radius of the planet

2. Mass of the planet

3.Density of the planet

4.Mass of the object

Posted Date:-2021-02-21 13:25:17


Question:
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:

1.Statics

2.Kinematics

3.Dynamics

4. None of the above

Posted Date:-2021-02-21 13:25:17


Question:
The value of acceleration due to gravity is minimum on which of these planets?

1.Mars

2.Jupiter

3. Mercury

4.Neptune

Posted Date:-2021-02-21 13:25:17


Question:
The X-ray crystallography mainly uses which among the following properties of electromagnetic radiation?

1.Reflection

2. Diffraction

3.Interference

4.Refraction

Posted Date:-2021-02-21 13:25:17


Question:
What are the oscillations of a body whose amplitude goes on decreasing with time called as?

1.Free oscillation

2.Maintained oscillation

3.Forced oscillation

4.Damped oscillation

Posted Date:-2021-02-21 13:25:17


Question:
What do we call the distance between two consecutive compressions of a sound wave?

1.Wave number

2.Frequency

3.Wavelength

4.Amplitude

Posted Date:-2021-02-21 13:25:17


Question:
What happens to a body when its density is equal to the density of the fluid?

1.it floats

2.it sinks

3. it remains suspended

4.None of the above

Posted Date:-2021-02-21 13:25:17


Question:
What happens to the orbital velocity of a satellite when the radius of orbit is increased?

1.it decreases

2.it increases

3.it remains same

4. None of the above

Posted Date:-2021-02-21 13:25:17


Question:
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?

1.its velocity becomes twice

2.it rebounds with twice of its own velocity

3. it rebounds with its own velocity

4. it stops and comes to rest

Posted Date:-2021-02-21 13:25:17


Question:
What is represented by the slope of a straight line joining two points on a velocity-time graph?

1.Average velocity

2.Instantaneous acceleration

3.Average acceleration

4. None of the above

Posted Date:-2021-02-21 13:25:17


Question:
What is the angle of contact for pure water and glass?

1.0°

2. 30°

3.180°

4.90°

Posted Date:-2021-02-21 13:25:17


Question:
What is the apparent weight of the person when the elevator is accelerating downwards?

1. equal to the actual weight

2.greater than the actual weight

3. less than the actual weight

4.0

Posted Date:-2021-02-21 13:25:17


Question:
What is the density of air at room temperature?

1.1.41

2.1.75

3. 1.29

4.1.9

Posted Date:-2021-02-21 13:25:17


Question:
What is the difference of pressure between two sides of the liquid surface called as?

1.Excess Pressure

2.Surface Pressure

3.Fluidic Tension

4.Viscosity

Posted Date:-2021-02-21 13:25:17


Question:
What is the direction of electric and magnetic fields in an electromagnetic wave?

1. parallel to each other

2.perpendicular to each other

3.at 45° to each other

4.at 120° to each other

Posted Date:-2021-02-21 13:25:17


Question:
What is the gravitational potential energy for infinite distance?

1.0

2. infinity

3.9.8 J

4.None of the above

Posted Date:-2021-02-21 13:25:17


Question:
What is the property of matter by which a body tends to regain its original configuration after the removal of deforming force known as?

1.Plasticity

2.Ductility

3.Elasticity

4.Malleability

Posted Date:-2021-02-21 13:25:17


Question:
What is the relationship between the spring constant k and the spring length in case of spring pendulum?

1.spring constant is inversely proportional to the spring length

2.spring constant is directly proportional to the spring length

3.spring constant is independent of the spring length

4.spring constant is twice the spring length

Posted Date:-2021-02-21 13:25:17


Question:
What is the S.I unit of Coefficient of Mutual inductance?

1.weber

2.candela

3. henry

4.lambert

Posted Date:-2021-02-21 13:25:17


Question:
What is the shape of meniscus when angle of contact is greater than 90°?

1.Concave

2.Convex

3.Plane

4.None of the above

Posted Date:-2021-02-21 13:25:17


Question:
What is the time period for a satellite orbiting close to the surface of earth?

1.84.6 minutes

2.72.4 minutes

3.44.8 minutes

4.24 hours

Posted Date:-2021-02-21 13:25:17


Question:
When are the two particles said to be in same phase?

1. if the phase difference between them is an even multiple of π

2.if the path difference is an even multiple of (λ / 2)

3.if the time interval is an even multiple of (T/ 2)

4.All of the above

Posted Date:-2021-02-21 13:25:17


Question:
Which is the effect of increase in impurities on the surface tension of the liquid?

1.It increases

2.It decreases

3.It may increase or decrease

4. No change

Posted Date:-2021-02-21 13:25:17


Question:
Which of the following conditions is true for an object to be in equilibrium?

1.No linear motion of the object

2.No rotational motion of the object

3. Minimum potential energy of the object

4.All of the above

Posted Date:-2021-02-21 13:25:17


Question:
Which of the following electromagnetic waves in the EM spectrum has the highest wavelength?

1.X-rays

2.Visible

3. Infrared

4.UV-rays

Posted Date:-2021-02-21 13:25:17


Question:
Which of the following has an effect on the value of acceleration due to gravity?

1.Shape of the earth

2.Height above the earth surface

3. Axial rotation of the earth

4.All of the above

Posted Date:-2021-02-21 13:25:17


Question:
Which of the following is correct about the coefficient of limiting friction between any two surfaces in contact?

1. it is equal to twice the tangent of angle of friction

2. it is equal to twice the sine of angle of friction

3. it is equal to the tangent of angle of friction

4.it is equal to the sine of angle of friction

Posted Date:-2021-02-21 13:25:17


Question:
Which of the following is correct about the properties of Sound waves?

1.Sound waves are longitudinal waves

2.Sound waves are transverse waves

3.Sound waves are both longitudinal and transverse

4.None of the above

Posted Date:-2021-02-21 13:25:17


Question:
Which of the following is equal to the upthrust of the body?

1.mass of body

2.weight of liquid

3.weight of liquid displaced

4.density of liquid

Posted Date:-2021-02-21 13:25:17


Question:
Which of the following is NOT a method to reduce friction?

1.By lubrication

2. By polishing

3. throwing sand on the ground

4.None of the above

Posted Date:-2021-02-21 13:25:17


Question:
Which of the following is NOT an application of principle of floatation?

1.Ships

2.Balloons

3.Submarines

4.None of the above

Posted Date:-2021-02-21 13:25:17


Question:
Which of the following is NOT an application of principle of floatation?

1. Ships

2.Balloons

3.Submarines

4. None of the above

Posted Date:-2021-02-21 13:25:17


Question:
Which of the following is/are part of the Classical Physics?

1.Optics

2.Thermodynamics

3.Both a and b

4.None

Posted Date:-2021-02-21 13:25:17


Question:
Which of the following produces Electromagnetic waves?

1.charges at rest

2.charges in uniform motion

3.accelerated charges

4.All of the above

Posted Date:-2021-02-21 13:25:17


Question:
Which of the following represents the Density of a material?

1.Mass/weight

2.Mass/Length

3.Mass/Volume

4.Mass/Area

Posted Date:-2021-02-21 13:25:17


Question:
Which of the following represents the speed of a sound wave?

1. wavelength x frequency

2.2 x wavelength x frequency

3.wavelength/frequency

4.(wavelength x frequency)/2

Posted Date:-2021-02-21 13:25:17


Question:
Which of the following represents the total momentum transferred to a surface by an electromagnetic wave?

1. Total energy transferred/Speed of light

2. Total energy transferred/ 2 x Speed of light

3.2 x Total energy transferred/Speed of light

4.None of the above

Posted Date:-2021-02-21 13:25:17


Question:
Which of the following statements about Pressure and Stress is NOT correct?

1.Pressure is always normal to the area

2.Pressure is always compressive in nature

3.Stress can be normal or tangential to the area

4.Stress is always compressive in nature

Posted Date:-2021-02-21 13:25:17


Question:
Which of the following statements is correct?

1. Bulk stress occurs only in liquids

2.Longitudinal stress occurs only in solids

3.Both a and b

4.None of the above

Posted Date:-2021-02-21 13:25:17


Question:
Which of the following statements is correct?

1.Bulk stress occurs only in liquids

2. Longitudinal stress occurs only in solids

3.Both a and b

4.None of the above

Posted Date:-2021-02-21 13:25:17


Question:
Which of the following statements regarding vectors is NOT correct?

1.A unit vector is dimensionless

2.A vector cannot be divided by a vector

3. A vector changes; when it is displaced to itself

4. Current is not a vector quantity

Posted Date:-2021-02-21 13:25:17


Question:
Which of the following states of matter has the weakest Intermolecular forces?

1.Solids

2.Liquids

3.Gases

4.It is same in solids; liquids and gases

Posted Date:-2021-02-21 13:25:17


Question:
Which of these is NOT an example of Periodic motion?

1.Revolution of earth around the sun

2.Rotation of earth about its polar axis

3.Motion of minute’s hand of a clock

4. None of the above

Posted Date:-2021-02-21 13:25:17


Question:
With reference to a swinging pendulum; which among the following statements is correct when it is at bottom (middle of arc)?

1.It has maximum kinetic energy and minimum potential energy

2. It has maximum potential energy and minimum kinetic energy

3.It has zero kinetic energy

4.It has zero total energy

Posted Date:-2021-02-21 13:25:17


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