Please select a subject first
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Mention two forms of algae with examples.
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Mention two salient features of algae.
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List out the base quantities with their units.
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Consider the statement given below and choose the correct option.
Assertion: Sharp knives are used to cut the vegetables.
Reason: Sharp edges exert more pressure.
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Consider the statement given below and choose the correct option.
Assertion: Broad straps are used in bags.
Reason: Broad straps last for long.
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Which of the following has curved reflecting surface?
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The spherical mirror with a reflecting surface curved inward is called
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The spherical mirror used as a rear view mirror in the vehicle is
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The distance from the pole to the focus is called ______.
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If the focal length of a spherical mirror is 10 cm, what is the value of its radius of curvature?
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The spherical mirror used in a beauty parlour as make-up mirror is _______.
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Geometric centre of the spherical mirror is ______.
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Numerical problem.
The radius of curvature of a spherical mirror is 25 cm. Find its focal length.
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Ruthvik and Ruha hear a gunshot 2 second after it is fired. How far away from the gun they are standing? (Speed of sound in air is equal to 330ms-1)
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The magnetic strength is _______ at the poles.
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A magnet has _______ magnetic poles.
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Our sun belongs to ________ Galaxy.
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The pigment responsible for browning of apples is ______.
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