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  • Question
  • Heat energy is transferred by conduction whenever molecules


  • Options
  • A. collide each other
  • B. means of photons
  • C. particles replaces there places
  • D. All of the above

  • Correct Answer
  • collide each other 

    Explanation

    Heat energy can be transferred by three major methods. They are 

     

    1. Conduction,

    2. Convection and

    3. Radiation.

     

    Conduction is the movement of heat through a substance by the collision of molecules

    Convection occurs when particles with a lot of heat energy in a liquid or gas move and take the place of particles with less heat energy.

    Radiation is the transfer of energy by means of photons in electromagnetic waves governed by the same laws. It occurs through a vacuum or any transparent medium.

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    More questions

    • 1. Shortest day in the Northern hemisphere is _______.

    • Options
    • A. 22nd November
    • B. 22nd December
    • C. 22nd March
    • D. 22nd June
    • Discuss
    • 2. The paintings in the Ajanta and Ellora caves are indicative of the development of art under the -

    • Options
    • A. Pallavas
    • B. Chalukyas
    • C. Pandyas
    • D. Rashtrakutas
    • Discuss
    • 3. 'Madhubani', a style of folk paintings, is popular in which of the following states in India?

    • Options
    • A. Uttar Pradesh
    • B. Rajasthan
    • C. Madhya Pradesh
    • D. Bihar
    • Discuss
    • 4. Rabindranath Tagore's 'Jana Gana Mana' has been adopted as India's National Anthem. How many stanzas of the said song were adopted?

    • Options
    • A. Third and Fourth stanza
    • B. The whole song
    • C. First and Second stanzav
    • D. Only the first stanza
    • Discuss
    • 5. Which of the following places is famous for Chikankari work, which is a traditional art of embroidery?

    • Options
    • A. Hyderabad
    • B. Lucknow
    • C. Mysore
    • D. Jaipur
    • Discuss
    • 6. Who put up the most stiff resistance against the British in India?

    • Options
    • A. The Rajputs
    • B. The Marathas
    • C. The Moghals
    • D. The Sikhs
    • Discuss
    • 7. Rearrange the parts of the sentence in correct order. Saving the trees P : requires a much Q : bigger budget R : of European forests

    • Options
    • A. PRQ
    • B. QRP
    • C. RPQ
    • D. RQP
    • Discuss
    • 8. Tansen, a great musician of his time, was in the court of ?

    • Options
    • A. Akbar
    • B. Shahjahan
    • C. Bahadur Shah
    • D. Jahangir
    • Discuss
    • 9. In Hindu mythology, what is the name of the auspicious jewel Lord Vishnu wears on a pendant around his neck?
    • Discuss
    • 10. _____________ is a collection of data values of same types having a common name.

    • Options
    • A. Object
    • B. String
    • C. Array
    • D. Numbers
    • Discuss


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