Question Text
Question 1 :
The atmospheric pressure at earth’s surface is P{tex}_1{/tex} and inside mine is P{tex}_2{/tex}. They are related as :
Question 2 :
With the increase in the density of the fluid, the upthrust experienced by a body immersed in it :
Question 3 :
When a body is wholly or partially immersed in a liquid, it experiences a buoyant force which is equal to :
Question 6 :
Without green house effect, the average temperature of Earth’s surface would have been:
Question 7 :
Convert {tex} 96 ^ { \circ } \mathrm { C } {/tex} into Fahrenheit {tex} \left( { } ^ { \circ } \mathrm { F } \right) {/tex}
Question 8 :
The place of human being in food chain in an ecosystem is as
Question 10 :
Energy enters in a food chain through which of the following consumers:
Question 12 :
The source of energy in an ecosystem is which of the following source listed below:
Question 17 :
Water is cooled from 4 °C to 0 °C. It will:
Question 18 :
Convert {tex} 45 ^ { \circ } \mathrm { C } {/tex} into Fahrenheit {tex} \left( { } ^ { \circ } \mathrm { F } \right) {/tex}
Question 19 :
The increase of carbon dioxide gas in atmosphere will cause which of the following occurences: