Physics quiz

Which of the following characteristics of sound depends upon the frequency?

(a)  

Sound wave is a mechanic wave. So it means it cannot transfer energy through

(a)  

The purpose of using convex lenses in an astronomical telescope is to

(a)  

If the current through a coil of an electromagnet reverses, then the

(a)  

An alternating current (AC) generator is an example of

(a)  

If two capacitors of 8 μF each are connected in parallel with one another then their equivalent capacitance will be

(a)  

If three resistors of 6 Ω each are connected in series combination, then their equivalent resistance will be

(a)  

If the current of 20 A flows through the live wire, then the current in the neutral wire will be

(a)  

If a 200 watts bulb glows for 1000 hours then the energy consumed by it will be

(a)  

If the speed of conductor through a magnetic field increases then the induced electromotive force (e.m.f.) in the conductor

(a)