/General Science - Physics MCQs Part 1 MCQS HUB ,Sample Test,Sample questions

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Question: 
A person runs up two flights of stairs instead of walking up. The person feels more tired because ___?

1.He does more work when he runs in comparison to when he walks

2. His power output is greater when he runs in comparison to when he walks

3.His gravitational force is greater when he runs in comparison to when he walks

4. He has more inertia when he runs in comparison to when he walks

Question: 
An object is executing uniform circular motion. Which of the following quantities remain(s) constant during the objects motion?

1.Velocity and acceleration

2.Speed and velocity

3. Speed and acceleration

4.Speed only

Question: 
An orbital velocity of a satellite does not depend on which of the following?

1.Radius of the planet

2.Mass of the planet

3. Radius of orbit

4.Mass of the satellite

Question: 
Angle of friction is _______:

1.equal to angle of repose

2. equal to twice the angle of repose

3. is greater than the angle of repose

4. is less than the angle of repose

Question: 
Choose the correct statement about weight:

1. It is a scalar quantity

2.Its value is independent of g

3. It is determined by a spring balance

4.None of the above

Question: 
Consider the following statements with respect to the Thermionic emission:1. It is caused by electrons or ions that break loose from the metal surface due to heat energy2. A metal cannot emit thermions at all temperaturesWhich among the above statements is / are correct ?

1. Only 1

2.Only 2

3. Both 1 & 2

4.Neither 1 nor 2

Question: 
Consider the following:1. Formation of a rainbow2. Dispersion of light3. A coin appears raised when placed in a trough filled with waterWhich among the above refraction?

1. Only 1 & 2

2. Only 2 & 3

3. Only 1 & 3

4. 12 & 3

Question: 
Consider the following:X-raysInfra-red raysRadio wavesGamma raysMicrowavesWhich among the following is the correct order of their increasing wavelength?

1.14235

2.] 41253

3.41523

4.54123

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

1.Luminescence

2. Radioactivity

3.Pressure

4.Mass

Question: 
Due to which of the following phenomenathe coloured glass appears white when crushed into fine powder?

1.Total Internal Reflection

2. Diffraction

3. Scattering

4.Refraction

Question: 
Electron microscope works on which of the following principles?

1. Optical interference

2. Wave Nature of electrons

3. Motion of charged particle in electromagnetic fields

4. Faradays law of Electromagnetic induction

Question: 
If we look at the floating piece of iceberg on the seaapproximately what fraction of it is visible above the seawater level?

1.1/8th

2. 1/6th

3.1/10th

4.1/5th

Question: 
Which among the following temperature scale is based upon absolute zero?

1.Celsius

2.Fahrenheit

3.Kelvin

4. Rankine

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

1.Pascal law

2.Bernoullis principle

3.Stokes law

4.Torricellis law

Question: 
Speed of sound is:directly proportional to square root of Youngs modulus of mediumhigher in water when compared to air at same temperatureWhich of the above statements is/are correct?

1.1 Only

2. 2 Only

3. Both 1 and 2

4. Neither 1 nor 2

Question: 
Stars closer to the horizon would appear to twinkle more than others normally. What could be the possible explanation to this?Atmosphere is dense at HorizonsThe energy produced from stars keep varyingSelect the correct option from the codes given below:

1.] Only 1 is correct

2. Only 2 is correct

3. Both 1 & 2 are correct

4.Neither 1 nor 2 is correct

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

Question: 
The alpha radiation is not used in radiotherapy because:

1. It is an ionizing radiation

2. It is unable to penetrate human skin

3. It is toxic to human tissues

4. It is not cost effective

Question: 
The equation of motion v = u +at can be applied in which of the following cases?

1. simple harmonic motion

2. circular motion

3.when acceleration is constant

4.Both b and c

Question: 
The frequency range of Ultra High Frequency (UHF) is __?

1. 3 to 10 Megahertz

2.3 to 30 Megahertz

3.300 to 3000 Megahertz

4.300 to 30000 Megahertz

Question: 
The frequency range of Ultra High Frequency (UHF) is __?

1. 3 to 10 Megahertz

2.3 to 30 Megahertz

3. 300 to 3000 Megahertz

4.300 to 30000 Megahertz

Question: 
The inablity of a body to change its state of rest or motion is known as:

1.Force

2. Momentum

3. Displacement

4. Inertia

Question: 
The motion of an object under free fall is an example of which of the following?

1. uniform velocity

2. uniform acceleration

3. zero acceleration

4.non-uniform acceleration

Question: 
The second law of motion gives us a measure of which of the following physical quantities?

1.Acceleration

2. Force

3. Power

4.Work done

Question: 
Two pieces of ice at 0°C would freeze together if pressed against each other and then released. In this contextwhich among the following is the correct principle in action in this?

1.The melting point of pure ice decreases with pressure.

2.The melting point of pure ice increases with Pressure

3. The melting point of pure ice first increasesthen decreases with pressure

4.The melting point of pure ice first decreases then increases with pressure

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

Question: 
What is the absolute unit of power in c.g.s system?

1.dyne

2. erg

3.watt

4. erg s-1

Question: 
What is the difference between GSLV and PSLV?1. While PSLV is designed mainly to deliver the earth-observation satellitesGSLV is designed mainly to deliver the communication-satellites2. While PSLV is a three stage vehicleGSLV is four stage vehicleSelect the correct option from the codes given below:

1.Only 1

2.Only 2

3. Both 1 & 2

4.Neither 1 nor 2

Question: 
What is the internal restoring force acting per unit area of cross section of the deformed body called?

1. Strain

2.Stress

3.Pressure

4.Surface Tension

Question: 
What is the maximum height that can be attained by a projectile?

1.equal to its maximum range

2.one half of its maximum range

3. one-fourth of its maximum range

4.twice of its maximum range

Question: 
What is the value of escape velocity for earth?

1.9.8 km s-2

2.1.6 km s-2

3.11.2 km s-2

4.7.92 km s-2

Question: 
What is the value of Triple point of water?

1. 273.16 K

2.273.16° C

3.0° C

4.-273.16 K

Question: 
Which among the following is / are correct statements?1. The images produced by Concave Mirrors are always real images2. The images produced by Flat Mirrors are always virtual images3. Converging Lens can produce virtual as well as real imagesSelect the correct option from the codes given below:

1.Only 1 is correct

2.Only 2 is correct

3.Only 1 & 2 are correct

4.Only 2 & 3 are correct

Question: 
Which among the following statements with reference to Rainbow is / are correct?1. One can see Rainbow during Rain showers as well as Snow showers2. The peak of the arc of Rainbow is generally located within 5 kilometres from earthChoose the correct option from the codes given below:

1. Only 1 is correct

2.Only 2 is correct

3.Both 1 & 2 are correct

4.Neither 1 nor 2 is correct

Question: 
Which of the following condition will be true for a planet to have atmosphere?

1.velocity of molecules in its atmosphere is lesser than escape velocity

2. velocity of molecules in its atmosphere is greater than escape velocity

3. velocity of molecules in its atmosphere is twice the escape velocity

4.velocity of molecules in its atmosphere is equal to the escape velocity

Question: 
Which of the following equation represents the Torricellis law?

1.(2gh)1/2

2. ?3 gh

3.?2 gh

4.2gh

Question: 
Which of the following is correct about acceleration due to gravity?

1. it increases with depth

2. it decreases with depth

3.it is independent of depth

4.None of the above

Question: 
Which of the following is incorrect about a satellite?

1. It is a freely falling body

2.] it does not require energy for its motion in orbit

3. it suffers an acceleration

4. it moves with constant speed

Question: 
Which of the following is incorrect about the Inter atomic and Intermolecular Forces?

1.Both the forces are electrical in origin

2. Both the forces are active over short distances

3.General shape of force-distance graph is similar for both the forces

4.None of the above

Question: 
Which of the following is incorrect:

1. Gravitational force of attraction is independent of nature of intervening medium

2. Gravitational forces are central forces

3.Gravitational forces are non-conservative forces

4.All of the above

Question: 
Which of the following is NOT correct about Vectors addition?

1.Vectors addition is associative

2.Vectors addition is commutative

3. Vectors of different natures can be added

4. None of the above

Question: 
Which of the following is the unit of Solid Angle?

1. radian

2.steradian

3. m2

4. ?

Question: 
Which of the following is/are a vector quantity?TemperatureWorkKinetic EnergyMomentumPowerSelect the correct option from codes given below:

1.2 and 4 Only

2.4 Only

3.234 and 5 Only

4.1234 and 5

Question: 
Which of the following physical quantities has no units?

1.Reynold Number

2. Rydberg constant

3.Wave number

4. Hubble constant

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

Question: 
Who among the following discovered X-rays?

1. Marie Curie

2.J.J Thomson

3.W.C Roentgen

4. James Chadwick

Question: 
Who among the following is credited to work for the unification of electricitymagnetism and optics field of Physics?

1. James Clerk Maxwell

2. Michael Faraday

3. Haris Christian Oersted

4.Isaac Newton

Question: 
Who was the first scientist to discover Electrons?

1. Albert Einstein

2.Isaac Newton

3.J.C. Bose

4.J.J Thompson

Question: 
With reference to Miragewhich among the following statements is / are correct?1.The refractive index of hot air is greater than cold air2.When light rays pass from hotter to cooler layers of airthey curve downward3.The phenomenon of Superior mirage is most commonly found in polar regionsChoose the correct option from the codes given below:

1.Only 1 & 2

2.Only 2 & 3

3.Only 1 & 3

4.12 & 3

Question: 
With reference to the Milky way galaxywhich among the following statements is / are correct?1.The Milky Way is a member of the Virgo super cluster2.The two most massive members of the Virgo super cluster are the Milky Way and the Andromeda GalaxyChoose the correct option from the codes given below:

1. Only 1

2.Only 2

3. Both 1 & 2

4.Neither 1 nor 2

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