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This set of General Science Multiple Choice Questions & Answers (MCQs) focuses on Physics Set 5
Q1 | The Helium atoms that have lost two electrons are called ________?
- Alpha rays
- Beta rays
- Gamma rays
- None of the above
Q2 | What is the approximate height of a Geostationary satellite ?
- 981 km
- 15000 kms
- 35000 kms
- 5000 kms
Q3 | The inability of a body to change its state of rest or its uniform motion in a straight line iscalled as ________?
- Mass
- weight
- Inertia
- Friction
Q4 | Ohm is a unit of measuring _________?
- Resistance
- Voltage
- Current
- None of the above
Q5 | Equal volumes of all gases contain equal number of molecules under similar conditions oftemperature and pressure. Which law says this ?
- Boyle‘s law
- Charles law
- Avogadro‘s Law
- Bhor‘s law
Q6 | Which among the following is a property of Insulator?
- The electrons of the outer orbits are loosely bound to the nucleus , however can not flow through them
- The electrons of the outer orbits are tightly bound to the nucleus and can not flow through them
- The electrons of the outer orbits are loosely bound to the nucleus , and can flow through them
- None of the above
Q7 | Which among the following is true about latent heat ?
- It causes change in temperature as well as change in state or phase
- It causes change in temperature only
- It causes change in state or phase but not in temperature
- It causes change in Pressure
Q8 | When light from some sources enters to the earth‘s atmosphere, it gets scattered. Whichamong the following is a reason behind scattering?
- Various wavelengths of light
- dust, smoke and gas molecules
- atmospheric pressure
- None of the above
Q9 | Which among the following is true about Total Internal Reflection?
- A ray passing from rarer to denser medium and not able to pass to denser medium at an angle greater than critical angle
- A ray passing from denser to rarer medium and not able to pass to rarer medium at an angle greater than critical angle
- A ray passing from either denser to rarer medium or rarer to denser medium and not able to pass any medium at an angle smaller than critical angle
- None of the above
Q10 | Which among the following principle is used by Bats?
- RADAR (Radio Detective & Ranging
- SONAR (Sound Navigation & Ranging
- law of reflection
- law of diffraction
Q11 | Which among the following is true regarding Sound Waves?
- They are longitudinal waves and material medium is not required for their propagation
- They are transverse waves and material medium is required for their propagation
- They are longitudinal waves and material medium is required for their propagation
- They are transverse waves and material medium is not required for their propagation
Q12 | Which among the following is true about conduction, convection and radiation mode oftransfer of heat?
- A Medium is required for conduction but not required for convection and radiation
- A medium is required for conduction, convection and radiation
- A medium is required for conduction and convection but not required for radiation
- A medium is not required for conduction and convectio, radiation
Q13 | The ideal fluid which is a hypothetical fluid should contain _______?
- Zero Viscosity Only
- Zero Compressibility Only
- Zero Viscosity & Zero Compressibility
- None of the above
Q14 | Which among the following defines cohesive force?
- the force of attraction acting between the molecules of same material
- the force of attraction acting between the molecules of different material
- the force of attraction acting between the atoms of same material
- None of the above
Q15 | Which of the following term denotes the internal reaction force per unit area developed asa result of applied external force ?
- Stress
- Friction
- Moment of Inertia
- tension
Q16 | What is the mean value of g at earth‘s surface?
- 0.98 meter per second
- 9.8 meter per second
- 9.8 meter per second square
- 0.98 meter per second square
Q17 | The value of acceleration due to gravity is __________?
- Minimum at equator and maximum at poles
- maximum at equator and minimum at poles
- equal at poles and equator
- None of the above
Q18 | Which among the following defines gravitational mass?
- Ratio of weight of a body and acceleration due to gravity
- Ratio of Acceleration due to gravity and weight of a body
- matter contained in a body
- None of the above
Q19 | The scientists have discovered that Milky Way is having two components, the disc and spherical. What may be the central object of Milky Way?
- A Black Hole
- A Neuron star
- Vaccum
- A Large Magellanic Cloud
Q20 | Which among the following kinds of glass is used generally in making of the Bullet proofscreens?
- Pyrex glass
- Jena glass
- Reinforced Glass
- Flint Glass
Q21 | Which among the following would be most commonly affected, if the filament of a electric Bulb is not uniform?
- Light
- Life
- Resistance
- None of the above
Q22 | Calorie of Energy is equal to _________?
- .42 joule
- 4.2 joule
- 42 joule
- 0.042 Joule
Q23 | A pendulum is taken to Moon , its time period will___________?
- Increases
- Decreases
- Remains constant
- Either increase or decrease
Q24 | Knot is a unit of _________?
- Speed
- Distance
- Deapth
- Accelration
Q25 | One Nautical Mile is equivalent to how many meters?
- 1552
- 1652
- 1752
- 1852