Temperature

Question 1

Diurnal variation of temperature is greatest when wind is

Answer 1

》(a) calm
(b) light
(c)strong

Question 2

Diurnal variation of temperature is maximum over

Answer 2

(a) forest
(b) ocean
》(c) land

Question 3

On a clear day the amount of solar radiation received by earth surface is

Answer 3

(a)¾
(b) 30%
》(c) ⅚

Question 4

ALBEDO is

Answer 4

(a) Radiation received by earth
b) Amount of heat
》(c)Reflecting power of earth

Question 5

During Day the ambient temperature is …. than ground

Answer 5

》(a) Lower
(b) Higher
(c) Same

Question 6

Diurnal variation of temperature over ocean is ……

Answer 6

(a) More than land
(b) Above 3°C
》(c)Less than 1°C

Question 7

At a coastal station the diurnal variation of temperature depends on …

Answer 7

》(a) Wind direction
(b) Wind speed
(c)Radiation

Question 8

Snow surface retlects about … % of solar radiation.

Answer 8

(a) 75%
》(b) 80%
(c) 90%

Question 9

Amount of Solar radiation received per unit area is ..

Answer 9

》(a) Insolation
(b) Convection
(c) Radiation

Question 10

Solar radiation received by the earth is

Answer 10

(a) Long Wave
(b) Albedo
》(c) Shortwave

Question 11

Rise in temperature of a surface is …….. proportional to its specific heat

Answer 11

(a) Directly
》(b) Inversely

Question 12

Specific heat of land is …… than that of water

Answer 12

》(a) Lower
(b) Same
(c) Higher

Question 13

Minimum temperature is reached at .

Answer 13

(a) sunrise
(b) midnight
》(c) ½-1 hour after dawn

Question 14

An air parcel is lifted till it gets saturated. The temperature attained by it is called

Answer 14

(a) Potential temperature
》(b) Dew Point
(c) Wet bulb

Question 15

Cloudy nights are..

Answer 15

(a) cold
(b) normal
》(c) warm

Question 16

Water vapor is ……… transparent to terrestrial radiation

Answer 16

(a) completely
》(b) partially
(c) indifferent

Question 17

Higher the temperature……would be the wavelength of emitted radiation

Answer 17

(a) longer
》(b) shorter

Question 18

Air is a bad conductor of heat. A parcel of air can therefore be regarded as insulated from the environment

Answer 18

(a) False
》(b) True

Question 19

Warmer the earth………will be the Nocturnal radiation

Answer 19

》(a) intense
(b) weaker
(c) moderate

Question 20

Heat is the …..of the KE of all the molecules and atoms of a substance

Answer 20

》(a) sum total
(b) average

Question 21

The solar radiation consists of about 46 %…

Answer 21

(a) UV
》(b) IR
(c) Visible

Question 22

The total energy radiated by a black body is proportional to its temperature(T)

Answer 22

(a) T²
(b) T³
》(c) T⁴

Question 23

Intense radiation are emitted by

Answer 23

》(a) Hot bodies
(b) Cold bodies
(c) Stars

Question 24

The wavelength of most intense radiation is inversely proportional to its..

Answer 24

》(a) Absolute temperature
(b) Humidity
(c) Albedo

Question 25

Hot bodies (like sun) radiate

Answer 25

》(a) Short Waves (b) Long Waves (c) Both

Question 26

The flow of heat from earth surface is 77% by

Answer 26

(a) Sensible Heat 》(b) Latent Heat

Question 27

-40°C= -40° F

Answer 27

》(a) True (b) False

Question 28

Surface Temperature is recorded at a height of ........ above ground

Answer 28

(a) 1.5 m 》(b) 1.25m (c) 2m

Question 29

The door of Stevenson's screen should open

Answer 29

》(a) opposite to sun (b) into sun (c)any direction

Question 30

The liquid used in Minimum Thermometer is

Answer 30

(a) mercury 》(b) alcohol (c) spirit

Question 31

Freezing point of water is

Answer 31

(a) 0°F (b) 12°FF (c) 22°F 》(d) 32°F

Question 32

Boiling point of water is

Answer 32

(a) 100°F (b) 112°F 》(c) 212°F (d) 312°F

Question 33

Freezing point of water is

Answer 33

(a) 173 K 》(b) 273 K (c) 373 K (d) 473 K

Question 34

Boiling point of water is

Answer 34

》(a) 373K (b) 273°K (c) 173K (d) 312K

Question 35

Convert 68°F into Kelvin temperature

Answer 35

(a) 233 K (b) 283K (c) 294 K 》(d) 293 K

Question 36

Diurnal variation of temperature is least on a day when it is

Answer 36

(a) Clear (b) Partly cloudy (c) Cloudy 》(d) Overcast

Question 37

A clear and calm night is cooler than a cloudy night, because nocturnal radiation

Answer 37

(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

Question 38

Which surface will cause higher diurnal variation

Answer 38

(a) Forest 》(b) Desert (c) Water (d) Snow

Question 39

If temperature does not change in a layer with height on a day indicates

Answer 39

》(a) Isothermal layer (b) Inversion (c) Instability (d) Uniform Lapse Rate