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Electric switches are made with insulators such as plastic, bakelite etc.
Transparent objects cast no shadows. Translucent objects cast faint shadows. Opaque objects cast dark shadows.
Clean glass, clean water, clean air, glasses of windows and spectacles, beaker, test tubes etc. are examples.
The path along which an electric current can flow is called an electric circuit.
Candle, kerosene oil lamp, torch, electric bulb, electric tube light, flash light, etc.
With which materials electric switches are made?
Electric switches are made with insulators such as plastic, bakelite etc.
Electric switches are made with insulators such as plastic, bakelite etc.
See lessWhich of the following types of objects produce shadows– (i) Transparent (ii) Translucent (iii) Opaque?
Transparent objects cast no shadows. Translucent objects cast faint shadows. Opaque objects cast dark shadows.
Transparent objects cast no shadows. Translucent objects cast faint shadows. Opaque objects cast dark shadows.
See lessGive some examples of transparent materials.
Clean glass, clean water, clean air, glasses of windows and spectacles, beaker, test tubes etc. are examples.
Clean glass, clean water, clean air, glasses of windows and spectacles, beaker, test tubes etc. are examples.
See lessWhat do you mean by the electric circuit?
The path along which an electric current can flow is called an electric circuit.
The path along which an electric current can flow is called an electric circuit.
See lessName some man-made sources of light.
Candle, kerosene oil lamp, torch, electric bulb, electric tube light, flash light, etc.
Candle, kerosene oil lamp, torch, electric bulb, electric tube light, flash light, etc.
See less