2941: Which one of the following provides the correct sequence of occurence of four towns/cities as one proceeds from west to east?

(a) Rajkot, Baroda, Kharagpur, Bilaspur

(b) Bikaner, Aligarh, Darbhanga, Nowgong

(c) Indore, Rourkela, Agartala, Jamshedpur

(d) Nasik, Aurangabad, Berhampur, Nanded
2942: Total internal reflection can take place when light travels from

(a) diamond to glass
(b) water to glass
(c) air to water
(d) air to glass
2943: If safe storage is to be ensured, the moisture content of food grains at the time of harvesting should not be higher than

(a) 14%

(b) 16%

(c) 18%

(d) 20%
2944: Assertion

The same side of the moon is always seen from the earth.

Reason

The moon rotates on its axis once in each orbital revolution.

(a) both A and R are true but R is not the reason for A

(b) both A and R are true and R is the reason for A

(c) neither A nor R is correct

(d) A is correct but R is wrong
2945: What is the approximate mean velocity with which the Earth moves round the Sun in its orbit ?

(a) 20 km/s
(b) 30 km/s
(c) 40 km/s
(d) 50 km/s