A. MLT
B. ML-1T-1
C. ML-1T-2
D. ML-2T-2
✅ The correct answer is option C.
Physics MCQs
Prepare effectively with our Physics MCQs with answers and explanations for exams and job tests. Our collection covers key topics such as mechanics, thermodynamics, optics, electricity and magnetism, modern physics, waves, and quantum theory. These multiple-choice questions are designed for students, competitive exam aspirants, and professionals preparing for NTS, PPSC, FPSC, CSS, PMS, university entry tests, and physics-related job assessments. Practice online to strengthen your concepts, improve problem-solving skills, and excel in exams with our updated Physics MCQs
172. Temperature is a property which determines
A. How much heat a body contains
B. Whether a body will feel hot or cold to touch
C. In which direction heat will flow between two systems
D. How much total absolute energy a body has
✅ The correct answer is option C.
173. We prefer mercury as a thermometric substance because
A. Over a wide range of temperature, its expansion is uniform
B. It does not stick to thermometer glass
C. It opaque to light
D. All of above
✅ The correct answer is option D.
174. The scales of temperature are based on two fixed points which are
A. The temperatures of water at 0° 100°C
B. The temperature of melting ice and boiling water at atmospheric pressure
C. The temperatures of ice cold and boiling water
D. The temperatures of frozen and boiling mercury
✅ The correct answer is option B.
175. The numerical value of Boltzmann’s constant is
A. 1.38×10-31JK-1
B. 3.18×10-31JK-1
C. 3.18×10-23JK-1
D. 1.38×10-23JK-1
✅ The correct answer is option D.
176. In a clinical thermometer, the mercury in the capillary tube does not contract once removed from the patient because
A. Mercury takes a long time to contract
B. The amount of mercury use is very small
C. The capillary tube has a small constriction near the bulb
D. The capillary tube is very narrow
✅ The correct answer is option C.
177. Waves transmit __________________ from one place to another
A. Energy
B. Mass
C. Both
D. None
✅ The correct answer is option A.
178. Normal human body temperature 98.6°F corresponds to
A. 37°C
B. 42°C
C. 55°C
D. 410°C
✅ The correct answer is option A.
179. Geostationary satellite completes one rotation around the earth in
A. 3 hours
B. 6 hours
C. 12 hours
D. 24 hours
✅ The correct answer is option D.
180. The radius of geostationary orbit from the centre of the earth is nearly
A. 42000km
B. 36000km
C. 24000 km
D. 18000 km
✅ The correct answer is option A.