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Select the correct meaning of the underlined word from the given options. Amanda thanked Derek `
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Gambusia fish has been introduced in lakes and ponds of India to control a deadly disease. It feeds
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Which of the following does not describe a ray that can be drawn for a concacve mirror?
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A sound wave of frequency `440` Hz is passing through air. An `O_2` molecule (mass `= 5.3 xx 10^(-26
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If the kinetic energy of a non - relativistic electron increases by `2%` then its de - Broglie wavel
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Usually, the validity period of an Income Tax Refund Order is?