Temperature Flashcards
Diurnal variation of temperature is greatest when wind is
》(a) calm
(b) light
(c)strong
Diurnal variation of temperature is maximum over
(a) forest
(b) ocean
》(c) land
On a clear day the amount of solar radiation received by earth surface is
(a)¾
(b) 30%
》(c) ⅚
ALBEDO is
(a) Radiation received by earth
b) Amount of heat
》(c)Reflecting power of earth
During Day the ambient temperature is …. than ground
》(a) Lower
(b) Higher
(c) Same
Diurnal variation of temperature over ocean is ……
(a) More than land
(b) Above 3°C
》(c)Less than 1°C
At a coastal station the diurnal variation of temperature depends on …
》(a) Wind direction
(b) Wind speed
(c)Radiation
Snow surface retlects about … % of solar radiation.
(a) 75%
》(b) 80%
(c) 90%
Amount of Solar radiation received per unit area is ..
》(a) Insolation
(b) Convection
(c) Radiation
Solar radiation received by the earth is
(a) Long Wave
(b) Albedo
》(c) Shortwave
Rise in temperature of a surface is …….. proportional to its specific heat
(a) Directly
》(b) Inversely
Specific heat of land is …… than that of water
》(a) Lower
(b) Same
(c) Higher
Minimum temperature is reached at .
(a) sunrise
(b) midnight
》(c) ½-1 hour after dawn
An air parcel is lifted till it gets saturated. The temperature attained by it is called
(a) Potential temperature
》(b) Dew Point
(c) Wet bulb
Cloudy nights are..
(a) cold
(b) normal
》(c) warm
Water vapor is ……… transparent to terrestrial radiation
(a) completely
》(b) partially
(c) indifferent
Higher the temperature……would be the wavelength of emitted radiation
(a) longer
》(b) shorter
Air is a bad conductor of heat. A parcel of air can therefore be regarded as insulated from the environment
(a) False
》(b) True
Warmer the earth………will be the Nocturnal radiation
》(a) intense
(b) weaker
(c) moderate
Heat is the …..of the KE of all the molecules and atoms of a substance
》(a) sum total
(b) average
The solar radiation consists of about 46 %…
(a) UV
》(b) IR
(c) Visible
The total energy radiated by a black body is proportional to its temperature(T)
(a) T²
(b) T³
》(c) T⁴
Intense radiation are emitted by
》(a) Hot bodies
(b) Cold bodies
(c) Stars
The wavelength of most intense radiation is inversely proportional to its..
》(a) Absolute temperature
(b) Humidity
(c) Albedo
Hot bodies (like sun) radiate
》(a) Short Waves
(b) Long Waves
(c) Both
The flow of heat from earth surface is 77% by
(a) Sensible Heat
》(b) Latent Heat
-40°C= -40° F
》(a) True
(b) False
Surface Temperature is recorded at a height of …….. above ground
(a) 1.5 m
》(b) 1.25m
(c) 2m
The door of Stevenson’s screen should open
》(a) opposite to sun
(b) into sun
(c)any direction
The liquid used in Minimum Thermometer is
(a) mercury
》(b) alcohol
(c) spirit
Freezing point of water is
(a) 0°F
(b) 12°FF
(c) 22°F
》(d) 32°F
Boiling point of water is
(a) 100°F
(b) 112°F
》(c) 212°F
(d) 312°F
Freezing point of water is
(a) 173 K
》(b) 273 K
(c) 373 K
(d) 473 K
Boiling point of water is
》(a) 373K
(b) 273°K
(c) 173K
(d) 312K
Convert 68°F into Kelvin temperature
(a) 233 K
(b) 283K
(c) 294 K
》(d) 293 K
Diurnal variation of temperature is least on a day when it is
(a) Clear
(b) Partly cloudy
(c) Cloudy
》(d) Overcast
A clear and calm night is cooler than a cloudy night, because nocturnal radiation
(a) escape through cloud
》(b) are partly radiated back by clouds to earth
(c) are fully absorbed by H20
(d) are fully prevented by clouds to escape
Which surface will cause higher diurnal variation
(a) Forest
》(b) Desert
(c) Water
(d) Snow
If temperature does not change in a layer with height on a day indicates
》(a) Isothermal layer
(b) Inversion
(c) Instability
(d) Uniform Lapse Rate
