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Differentiate between the following.
Ball and socket Joint and hinge Joint
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The process of placing seeds in the soil is called as
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Name the methods of sowing.
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Temperature is a measure of total ______ of the particles in a system.
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Assertion: Radian is the angle subtended at the center of a circle by an arc whose length is equal to the radius of the circle.
Reason: 1 radian = `180/π`
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How many base quantities are there?
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What is the symbol for a unit of electric current?
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Mention the SI unit of luminous flux.
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The image formed by these mirrors is ______ than the object.
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The most common example of a convex mirror is the make – up mirror.
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Assertion: Convex mirrors are used as a rearview mirror in vehicles for observing traffic at our back.
Reason: A convex mirror has a much larger field of view.
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A convex rearview mirror is preferred over a plane mirror in a car. Why?
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The method of charging an object by touching is called ______.
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The material which does not allow electric current is called ______.
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Comb rubbed with hair ______ electrons from the hair and becomes negatively charged.
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When an ebonite rod is rubbed with fur, the fur transfers ______ to the ebonite rod.
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Materials that do not allow electric charges to pass through them easily are called insulators.
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