MCQS of Physics for NTS
A force of 10N is acting along y-axis its component along x-axis is
Zero N
100N
20N
10N
A point charge Q is placed at the mid-point of a line joining two charges 4q and q. if the net force on charge q is zero. then Q must be equal to
+q
-q
-2q
+4q
At constant volume temperature is increased then
Number of collisions per unit time will increase
Collisions will be in straight lines
Collisions will not change
Collision on walls will be less
If the dot product of two non-zero vectors vanishes the vectors will be
Perpendicular to each other
Opposite to each other
Zero
In the same direction
A (100 W, 200 V) bulb is connected to a 160 V power supply. The power consumption would be
125 W
100 W
64 W
80 W
How much water a pump of 2kW can raise in one minute to a height of 10 m. take g = 10 m/s2?
1000 liters
2000 liters
100 liters
1200 liters
In which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie
X-ray
Visible
Infra red
Ultraviolet
To make the frequency double of na oscillator we have to
Half the mass
Reduce the mass to one-fourth
Double the mass
Quadruple the mass
The structure of solids is investigated by using
X-rays
Cosmic Rays
y-rays
Intra red Radiation
A pendulum clock set to give correct time in Karachi is taken to Quetta it would give correct time if
The length of the pendulum os increased
The mass of the pendulum is decreased
The mass of the pendulum is increased
The length of the pendulum is decreased
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