Physics

SI unit of length is

• metre

• kilometre

• kilogram

• gram

In concave mirror coated surface is

• outer surface

• inner surface

The branch of physics which deals with motion of objects is ..................

• Mechanics

• Optics

• Acoustics

• thermodynamics

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Current passes through a .........................

• Closed circuit

• open circuit

• Open and Closed circuit

The safety device used in a circuit is

• Fuse

• Bulb

• Switch

• Cell

The following symbol represents

• Capacitor

• Resistance

• Cell

• Battery

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Example of an translucent object is

• Tissue paper

• Book

• Door

• Desk of a bench

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An example of a conductor is

• Iron nail

• Eraser

• Rubber Glove

• plastic scale

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Unit of measuring resistance is

• ohm

• kelvin

• ampere

• newton

The device used to measure electric current is

• Ammeter

• Voltmeter

• Thermometer

• speedometer