A body executing simple harmonic motion has an angular speed of 2π radians. Its period…
A body executing simple harmonic motion has an angular speed of 2π radians. Its period of oscillation is…
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Which of the following statements about water is NOT correct?
Which of the following statements about water is NOT correct? A. Pure water freezes at 0°C under normal…
A body accelerating will have a constant speed if it is
A body accelerating will have a constant speed if it is A. falling from a height B. in…
Which of the following cells does not require a dipolar for effective and efficient delivery…
Which of the following cells does not require a dipolar for effective and efficient delivery of current? A.…
An immersion heater is rated 1500W. How long does it take the heater to raise…
An immersion heater is rated 1500W. How long does it take the heater to raise the temperature of…
The equation PxVyTz = Constant is Charles’ law if
The equation PxVyTz = Constant is Charles’ law if A. x = 0, y = 1 and z…
When a resistor of resistance R is connected across a.c. the terminal p.d. of the…
When a resistor of resistance R is connected across a.c. the terminal p.d. of the cell is reduced…
A transformer has an efficiency of 92.5%. the ratio number of turns in the primary…
A transformer has an efficiency of 92.5%. the ratio number of turns in the primary coil to that…
The most suitable instrument for measuring the diameter of a thin wire is a
The most suitable instrument for measuring the diameter of a thin wire is a A. meter rule B.…
The work done in extending a spring by 40 mm is 1.52J. Calculate the elastic…
The work done in extending a spring by 40 mm is 1.52J. Calculate the elastic constant of the…