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  • Question
  • Scalar Quantities are


  • Options
  • A. physical quantities which have magnitude only and no direction
  • B. physical quantities which have no magnitude only and only direction
  • C. physical quantities which have magnitude only and direction
  • D. physical quantities which have no magnitude and no direction

  • Correct Answer
  • physical quantities which have magnitude only and no direction 


  • Physics problems


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    • 1. A cyclist leans inwards when he is negotiating a curve so that

    • Options
    • A. he may increase his speed
    • B. his weight may be reduced
    • C. necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion.
    • D. no frictional force may be produced between the wheels and the axle
    • Discuss
    • 2. A man stands on the pan of a balance holding a fish in his right hand and bucket of water in his left hand. If he transfers the fish into the bucket, the total weight on the pan

    • Options
    • A. increases
    • B. decreases
    • C. remains the same
    • D. first increases and then decreases
    • Discuss
    • 3. Lightning is produced when

    • Options
    • A. Similar charges of electricity rush towards each other and then get repelled
    • B. clouds strike against impurities in air and the friction burns up these impurities
    • C. strong opposite charges in different clouds break down the resistance offered by the intervening air
    • D. water vapour produces electricity in the clouds
    • Discuss
    • 4. Which of the following is an example of continous emission spectrum?

    • Options
    • A. Spectrum of an oil frame
    • B. Spectrum of a water
    • C. both
    • D. none
    • Discuss
    • 5. What are the particles emitted by radio active element after 3 consequtive disintegrations?

    • Options
    • A. 2 alpha 1 beta
    • B. 1 alpha 1 beta
    • C. 2 beta 1 alpha
    • D. 2 beta 2 alpha
    • Discuss
    • 6. Which is the weakest force in the universe?
    • Discuss
    • 7. A projectile launched at____ degree angle has the greatest range?
    • Discuss
    • 8. A man stands on the pan of a balance holding a fish in his right hand and bucket of water in his left hand. If he transfers the fish into the bucket, the total weight on the pan

    • Options
    • A. increases
    • B. decreases
    • C. remains the same
    • D. first increases and then decreases
    • Discuss
    • 9. Nuclear Fission is caused by the impact of

    • Options
    • A. Electron
    • B. Neutron
    • C. Proton
    • D. Deutron
    • Discuss
    • 10. Which is an example of Phototropism?

    • Options
    • A. roots of a plant following water
    • B. plant bending toward the light
    • C. roots growing into the soil
    • D. a venus flytrap capturing a fly
    • Discuss


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