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Questions and Answers
According to the laws of motion, what does the inertia of a body depend on?
According to the laws of motion, what does the inertia of a body depend on?
What is impulse equal to?
What is impulse equal to?
When is Newton’s Third Law applicable?
When is Newton’s Third Law applicable?
What does the slope of a momentum-time graph give when plotted with momentum on the X-axis and time on the Y-axis?
What does the slope of a momentum-time graph give when plotted with momentum on the X-axis and time on the Y-axis?
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In which sport is the turning effect of force used?
In which sport is the turning effect of force used?
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How can the unit of ‘g’ be expressed?
How can the unit of ‘g’ be expressed?
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If the Earth shrinks to 50% of its real radius with its mass remaining the same, what will happen to the weight of a body on the Earth?
If the Earth shrinks to 50% of its real radius with its mass remaining the same, what will happen to the weight of a body on the Earth?
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To project rockets, which principle(s) is/(are) required?
To project rockets, which principle(s) is/(are) required?
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The refractive index of substances A, B, C, and D are 1.31, 1.43, 1.33, and 2.4 respectively. In which substance is the speed of light maximum?
The refractive index of substances A, B, C, and D are 1.31, 1.43, 1.33, and 2.4 respectively. In which substance is the speed of light maximum?
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Where should an object be placed to obtain a real and inverted image of the same size by a convex lens?
Where should an object be placed to obtain a real and inverted image of the same size by a convex lens?
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When a small bulb is placed at the principal focus of a convex lens and switched on, what type of beam will the lens produce?
When a small bulb is placed at the principal focus of a convex lens and switched on, what type of beam will the lens produce?
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What is the magnification of a convex lens?
What is the magnification of a convex lens?
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If a convex lens forms a real, diminished point-sized image at focus, where is the position of the object?
If a convex lens forms a real, diminished point-sized image at focus, where is the position of the object?
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If the power of a lens is -4D, what is its focal length?
If the power of a lens is -4D, what is its focal length?
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In a myopic eye, where is the image of an object formed?
In a myopic eye, where is the image of an object formed?
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Which lens would you prefer to use while reading small letters found in a dictionary?
Which lens would you prefer to use while reading small letters found in a dictionary?
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