a body is acted upon by forces applied at points P and Q as shown above their resultant is equal to
2√5N in a direction N 56◦ E
2√5N in a direction N 56◦ W
2√13N in a direction N 56◦ E
2√13N in a direction N 56◦ W
√10N in a direction N 56◦ E
Correct answer is C
No explanation has been provided for this answer.
what is the resultant resistance in the circuit given above
11Ω
8Ω
4Ω
3.6Ω
4.3Ω
Correct answer is B
No explanation has been provided for this answer.
what is the resultant capacity of the circuit
1.5µF
18.0µF
6.0µF
6.8µF
8.83µF
Correct answer is A
No explanation has been provided for this answer.
between X and P
Between P and Y
Between Y and Z
Outside W
Outside Z
Correct answer is B
The image produced by a convex mirror is always virtual, and located behind the mirror.
When the object is far away from the mirror the image is upright and located at the focal point.
67cm
73cm
949cm
952cm
955cm
Correct answer is E
Atmospheric pressure = 70cmHg (which is the height of mecury)
pressure = pgh = pwghw
Where
Pw = density of water
hw = height of water
ph = pwhw
13.6*70 = 1*hw
hw = 952cm
Pressure of gas in cm of water = 952 + 3 = 955cm
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