Which of the following is not a characteristic of a thunderstorm?
spark of light in atmosphere
rapidly rotating winds
loud noise
heavy rains or hail
Which of the following can move over the land without coming to an end quickly?
cyclone
hurricane
typhoon
tornado
Which of the following region is more vulnerable to cyclonic storms?
Northern hills of India
Western deserts of India
East coast of India
West coast of India
Which of the following process provides energy required to form and sustain a cyclone?
condensation of water vapour
vaporisation of water
kinetic energy of blowing wind
fast moving sea waves
During a wind -strom, when high speed winds blow over the tin roofs of houses, the tin roofs get lifted and blown away. This happen because:
a. High speed winds reduce air pressure over the tin roofs
b.High speed winds increase air pressure over the tin roofs
c.High speed winds do not change air pressure over the tin roofs
d.Higher air pressure acts from below the tin roofs
A and B
B and C
A and D
Only D
Which of the following is not the name of a huge revolving storm caused by very high speed widns blowing around a central area of very low pressure?
Thunderstorms develop very frequently in areas having
polar climate
typical climate
desert climate
temperate climate
A column of rapidly rotating winds having the appearence of a dark, funnel- shaped cloud reaching from the sky to the ground is called
thunderstorm
thundercloud
The instrumemnt to measure the speed of wind is called
anaeroid barometer
anemometer
wind vane
odometer
During an impending storm, a person is advised to take shelter in a room situated deep inside the house having no windows or in a basement. The storm is most likely to be a