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This set of General Science Multiple Choice Questions & Answers (MCQs) focuses on Physics Set 4

Q1 | RLV-TD are a series of technology demonstration missions that have been conceived by ISRO as a first step towards realizing a Two Stage To Orbit (TSTO) fully re-usable launch vehicle. What is full form of RLV-TD?
  • Reusable Launch Vehicle-Technology Demonstration
  • Remote Launch Vehicle-Technology Demonstration
  • Return Launch Vehicle-Technology Demonstration
  • Reusable Launch Vehicle-Technology Device
Q2 | On which of the following Inertia of an object depends ?
  • Bulk
  • Size
  • Shape
  • Mass
Q3 | A person who is pulling a bucket filled with water falls behind with the sudden break of the rope. Which of the following laws of Newton comes into action?
  • First Law
  • Second law
  • Third law
  • First and third law
Q4 | In which of the following situations the force applied by the weight of a person becomes zero in a lift
  • Lift moves up with an acceleration of 9.8 meter per sq. second
  • Lift moves down with an acceleration of 9.8 meter per sq. second
  • Lift moves up with an speed of 9.8 meter per second
  • Lift moves up with down speed of 9.8 meter per second
Q5 | On which of the following the jet Engine works?
  • Conservation of energy
  • Conservation of Linear Momentum
  • Conservation of Mass
  • Conservation of Angular momentum
Q6 | Which among the following is in action in the process of a liquid rising in the syringe when the piston is pulled up?
  • Capillary action
  • surface tension
  • atmospheric pressure
  • cohesive forces
Q7 | Which among the following character of mercury makes it suitable to use in barometers instead of water?
  • Low density and low vapor pressure
  • High density and high vapor pressure
  • Low density and good conductor of heat
  • High density and low vapor pressure
Q8 | When a barometer is taken down in a coal mine , which of the following happens with the Mercury level in the tube?
  • rises
  • falls
  • falls then rises
  • remains unaltered
Q9 | what happens when a ship enters a Sea from a river ?
  • It rises
  • It remains at the same level
  • sinks a little
  • None of the above
Q10 | A transition from the solid to gas phase with no intermediate liquid stage is called?
  • Evaporation
  • Sublimation
  • Adsorption
  • Solid Phase extraction
Q11 | Which among the following works while we wipe with a towel.?
  • evaporation
  • osmosis
  • capillary action
  • surface tension
Q12 | If water is heated , it vapor pressure will ______?
  • Increase
  • decrease
  • first increase and then decrease
  • nothing happens to vapor pressure
Q13 | When two mercury drops are brought into contact they form a single bigger drop to get which of the following?
  • Minimum volume
  • Minimum surface area
  • Maximum size
  • Maximum surface area
Q14 | On a smooth glass surface , the drop of water spreads while the drop of mercury remains almost spherical. This proves that ________?
  • Cohesive forces of mercury is more than adhesive forces with glass
  • Cohesive force of water is less than cohesive forces of mercury
  • mercury is a metal
  • 1 & 2
Q15 | Which of the following causes the drop of water to be in spherical shape?
  • Viscosity
  • Air resistance
  • Surface tension
  • Temperature
Q16 | kalpana-1 was first exclusive satellite built by ISRO in which of the following satellitesystems?
  • INSAT
  • METSAT
  • GSAT
  • EDUSAT
Q17 | First Indian Satellite Aryabhatta was launched in which year ?
  • 1970
  • 1972
  • 1975
  • 1980
Q18 | What is TERLS?
  • A rocket launching Station
  • A Space Science & Technology Center
  • A satellite launched by India
  • A satellite launched by USA
Q19 | Which among the following is known for a FBTR (fast Breeder Test Reactor) ?
  • Naror
  • Trombay
  • Kalpakam
  • None of the above
Q20 | Which among the following is the property of Tungsten which makes it eligible to use in the bulbs?
  • highest melting point
  • highest resistance
  • Highest malleability
  • All are correct
Q21 | Who among the following is considered by the Indian scientific community to be the father of experimental fluid dynamics research in India and one of the most eminent researchers in the field of turbulence and boundary layers?
  • Suhas V. Patankar
  • Satish Dhawan
  • M O Smith
  • JC Bose
Q22 | The speed of Sound is maximum in which of the following ?
  • Air at zero degree C
  • Air at 100 degree C
  • Water
  • At all places it is maximum
Q23 | Steam at 100 degree centigrade causes more severe burns. Which of the following phenomena will you use to explain this?
  • Specific heat
  • Latent heat
  • Fusion
  • Fission
Q24 | Which of the following waves can be used to measure the speed of a approaching car?
  • Light waves
  • Micro waves
  • Radio waves
  • Sound waves
Q25 | Which among the following sentence is correct reason behind the blue color of ocean water?
  • Water molecules absorb all other colors except blue
  • Impurities in Sea water reflect the blue light
  • Water molecules scatter the blue light
  • None of the above