North - North
North - South
South - North
South - South
Correct answer is B
No explanation has been provided for this answer.
The diagram above shows the prism arrangement in a
binocular
spectrometer
periscope
projector
Correct answer is C
No explanation has been provided for this answer.
15 cm3
25 cm3
35 cm3
45 cm3
Correct answer is B
Since the temperature of the air is to remain Constant => P1V1 = P2V2
∴ 75 x 30 = (75 + 15) x V2
75 x 30 = 90 x V2
| => V2 = | 75 x 30 |
| _90 |
| = | 2250 |
| _90 |
= 25cm2
The diagram above shows a lift pump with valves at P and Q. During a downward stroke of the piston
both valves are open
P is open while Q is closed
P is closed while Q is open
Both valves are closed
Correct answer is B
No explanation has been provided for this answer.
The solid will fall over if the vertical line through G lies outside the base
The solid will fall over if the vertical line through lies inside the base
The solid will not fall over if the vertical line through G lies outside the base
The solid can never fall over
Correct answer is A
The solid will fall over if when the vertical line through G lies outside the base, when slightly tilted