Author: Study Clue

Which natural mineral acts as a magnet? A Lodestone B Quartz crystal C Rock salt D Limestone Explanation Lodestone is

A bulb rated for a certain voltage is connected to a much higher voltage source; the first effect noticed is

In a series circuit with two identical bulbs, the main reason both bulbs glow dimmer is A Voltage becomes zero

In a circuit, conventional current direction is taken from A Negative to positive B Both directions C Positive to negative

In a circuit, the “path” must be complete for A Light to scatter B Heat to vanish C Sound to

In a simple dry cell, chemical energy mainly changes into A Heat energy B Light energy C Electrical energy D

A tuning fork touches a table and sounds louder mainly because the table acts as A Heat source B Vacuum

When a school bell rings, the sound is made because the bell A Gets heated B Absorbs light C Vibrates

A tuning fork touching water shows sound is due to A Light reflection B Heat transfer C Mechanical vibration D

Sound is produced when an object A Melts slowly B Changes color C Vibrates continuously D Becomes heavy Explanation Sound