Final Physics Daily Quiz 17

(a) zero

(b) infinity

(c) T 

(d) 2 T

(a) m^0 

(b) m^1

(c) m^2 

(d) m^3

(a) it is closer to the earth and also it has the inactive inert gases in it.

(b) it is too for from the sun and has very low pressure in its outer surface.

(c) escape velocity of gas molecules is greater than their root mean square velocity.

(d) escape velocity of gas molecules is less than their root mean square velocity.

(a) zero

(b) negative

(c) positive

(d) may be positive, negative or zero

(a) increase at the equator but remain unchaged at the poles

(b) decrease at the equator but remain unchanged at the poles

(c) remain unchaged at the equator but decrease at the poles

(d) remain unchanged at the equator but increase at the poles