Please select a subject first
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What is meant by space debris?
Concept: undefined >> undefined
Match the column ‘A’ with column ‘B’.
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Column ‘A’
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Column ‘B’ |
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(1) Eka - boron
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(a) Germanium
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(2) Eka - Aluminium
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(b) Scandium
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(3) Eka - Silicon
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(c) Gallium |
Concept: undefined >> undefined
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The phenomenon of change in the direction of light when it passes from one transparent medium to another is called ___________.
Concept: undefined >> undefined
Explain how the formation of a rainbow occurs.
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Elements belonging to the same group have the same valency.
Concept: undefined >> undefined
The unit of electrical power is _______.
Concept: undefined >> undefined
Due to _______ pencil looks bent in water, in the given experiment.

Concept: undefined >> undefined
Lights of different colours are used as signal for safety transport. From these, the wavelength of red light is _______ nm.
Concept: undefined >> undefined
Light changes its direction when going from one transparent medium to another transparent medium. This is called _______.
Concept: undefined >> undefined
Due to _______, we can gather information about worldwide events sitting at home.
Concept: undefined >> undefined
Find the odd one out and give its explanation.
Concept: undefined >> undefined
Find the odd one out and give its explanation.
Concept: undefined >> undefined
What is the potential difference?
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How much is the potential difference between live and neutral wires?
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Identify the wrong figure from the following.
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Write the name.
The atom having smallest atomic radius from group 1.
Concept: undefined >> undefined
Increasing the current passing through the wire decreases the magnetic field intensity.
Concept: undefined >> undefined
The incident rays and refracting rays are on opposite sides of the normal.
Concept: undefined >> undefined
The speed of light varies in different media.
Concept: undefined >> undefined
Nowadays MCBs are used in homes, for stop the current in the circuit which suddenly increases.
Concept: undefined >> undefined
