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9th Grade > Physics

MATTER PROPERTIES PHYSICS MCQs

Total Questions : 90 | Page 7 of 9 pages
Question 61. Matter is made up of particles known as
  1.    molecules
  2.    chemicals
  3.    radicants
  4.    hydrocarbons
 Discuss Question
Answer: Option A. -> molecules
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 62. At sea level, the atmospheric pressure is about
  1.    101,300 Pa
  2.    125,000 Pa
  3.    163,000 Pa
  4.    200,300 Pa
 Discuss Question
Answer: Option A. -> 101,300 Pa
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 63. The ionic state of matter in which the electrons of atom become positive ions is called as
  1.    gas
  2.    plasma
  3.    solid
  4.    liquid
 Discuss Question
Answer: Option B. -> plasma
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 64. In SI, the unit of stress is
  1.    Nm-3
  2.    Nm4
  3.    Nm-2
  4.    Nm-1
 Discuss Question
Answer: Option C. -> Nm-2
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 65. The density of air in the atmosphere is
  1.    uniform
  2.    not uniform
  3.    zero
  4.    none of above
 Discuss Question
Answer: Option B. -> not uniform
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 66. A gradual large increase in the atmospheric pressure predicts
  1.    intense weather condition
  2.    no change in weather
  3.    long spell of pleasant weather
  4.    none of above
 Discuss Question
Answer: Option C. -> long spell of pleasant weather
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 67. If the density of air is 1.3 kgm-3. The mass of air in a room measuring 8m×5m×4m is
  1.    210 kg
  2.    208 kg
  3.    215 kg
  4.    220 kg
 Discuss Question
Answer: Option B. -> 208 kg
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 68. 1 Pa is equal to
  1.    2 Nm-2
  2.    5 Nm-2
  3.    1 Nm-2
  4.    10 Nm-2
 Discuss Question
Answer: Option C. -> 1 Nm-2
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 69. The density of 5 lit of water having mass 5 kg is
  1.    100 kg m-3
  2.    500 kg m-3
  3.    750 kg m-3
  4.    1000 kg m-3
 Discuss Question
Answer: Option D. -> 1000 kg m-3
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 70. The density of water is
  1.    100 kgm-3
  2.    10 kgm-3
  3.    1000 kgm-3
  4.    2000 kgm-3
 Discuss Question
Answer: Option C. -> 1000 kgm-3
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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