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9th Grade > Physics

THERMAL PROPERTIES OF MATTER MCQs

Total Questions : 107 | Page 11 of 11 pages
Question 101. The quantity of thermal energy absorbed by a body for 1 kelvin increase in its temperature is known as
  1.    pressure capacity
  2.    heat capacity
  3.    kinetic energy
  4.    potential energy
 Discuss Question
Answer: Option B. -> heat capacity
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 102. On increasing the temperature of solid, the amplitude of vibration of its atoms
  1.    decreases
  2.    remains same
  3.    increases
  4.    constant
 Discuss Question
Answer: Option C. -> increases
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 103. The energy that is transferred from one body to the other in thermal contact with each other as a result of the difference of temperature between them is called
  1.    stress
  2.    heat
  3.    pressure
  4.    temperature
 Discuss Question
Answer: Option B. -> heat
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 104. On Kelvin scale, the lower fixed point is marked as
  1.    0 K
  2.    180 K
  3.    373 K
  4.    273 K
 Discuss Question
Answer: Option D. -> 273 K
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 105. The molecules of water are in constant motion and possesses
  1.    kinetic energy
  2.    sound energy
  3.    heat energy
  4.    atomic energy
 Discuss Question
Answer: Option A. -> kinetic energy
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 106. Mercury freezes at
  1.    −39 ° C
  2.    39 ° C
  3.    45 ° C
  4.    −45 ° C
 Discuss Question
Answer: Option A. -> −39 ° C
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 107. Latent heat of vaporization is
  1.    3.36 × 10⁶ Jkg-¹
  2.    4.36 × 10⁶ Jkg-¹
  3.    2.26 × 10⁶ Jkg-¹
  4.    1.36 × 10⁶ Jkg-¹
 Discuss Question
Answer: Option C. -> 2.26 × 10⁶ Jkg-¹
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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