41. Why do birds not have respiratory trouble at the time of flying at high altitude ?
42. When a barometer reading suddenly recedes, it indicates that climate–
43. When a barometer is rising air pressure is
44. The pressure exerted by a 760 mm column of mercury at 0°C is known as
45. If a barometric reading is falling, this usually indicates what
46. Reading of a barometer going down is an indication of
47. Increased wind speed is accompanied by a reduced air ________
48. A vacuum cleaner works on the principle of pressure difference. On the moon it will
49. Middle latitude cyclones are fueled by?
50. Skating on ice is possible because
Read More Section(Physics)
Each Section contains maximum 100 MCQs question on Physics. To get more questions visit other sections.