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Q. Which of the following is the S.I. unit of density?
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Q. What is the measure of the response of the ear to the sound known as?
Q. Which of the following form (s) a virtual and erect image for all position of the object?
Q. What does an angstrom measure?
Q. Which determines the frequency of a sound wave?
Q. Which among the given colour of light deviates least through the prism
Q. Thermoelectric current produced is large when
Q. Which of the following supports particle nature of photons ?
Q. Which ecological pyramid can never be inverted
Q. Which of the following one of the following instruments is used to study dispersion of light -
Q. Rain drops fall from great height. Which among the following statements is true regarding it?
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