What is the frequency of vibration if the balance wheel of a wrist watch makes 90 revolutions in 25 s?

Similar Questions

Which of the following statements is (are) NOT correct? i. pressure changes do not affect the spe...

In the circuit diagram above, E is a battery of negligible internal resistance. If its emf is 9.0V. ...

If a current of 2.5A flows through an electrolyte for 3 hours and 1.8g of a substance is deposited, ...

24 Na → 24 mg4 + X + energy 11         2      ...

Which of the following statements is correct about volatile liquids? They have ...

A 12\(\Omega\) resistor dissipates 8kJ of heat in 20s. Calculate the current through the resistor...

The set-up illustrated above shows a capillary tube of uniform cross-sectional area in two different...

Beta particles are ...

A tugboat is travelling from Asaba to Onitsha across the River Niger with a resultant velocity of 20...

The particle nature of light is demonstrated by the ...