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Which of the following is/are mixture?
Answer: A. Iodised salt The following iodised is mixture.
Answer: A. Iodised salt
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Which of the following are elements?
Answer: Both A and B The following diamond and graphite are elements.
Answer: Both A and B
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Magnetic lines of force are:
Answer: B. Closed Magnetic lines of force are closed.
Answer: B. Closed
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Lenz’s law is according to principle of conservation of:
Answer: C. Energy Lenz's law is according to principle of conservation of energy.
Answer: C. Energy
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Nitrogen belongs to which magnetic substance?
Answer: A. Diamagnetic Nitrogen belongs diamagnetic substance.
Answer: A. Diamagnetic
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Which series belongs to visible region?
Answer: D. Balmer series Balmer series belongs to visible region.
Answer: D. Balmer series
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In which mode of transistor, power gain is more?
Answer: C. CE mode In CE mode of transistor, power gain is more.
Answer: C. CE mode
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Which electromagnetic wave is reflected from ionosphere?
Answer: B. Sky wave The electromagnetic wave is reflected from ionosphere is sky wave.
Answer: B. Sky wave
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According to Bohr’s atomic model which physical quantity is quantised?
Answer: B. Angular momentum According to Bohr's atomic model the angular momentum is quantised.
Answer: B. Angular momentum
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Dispersive power of prism is independent of
Answer: C. Angle of prism Dispersive power of prism is independent of angle of prism.
Answer: C. Angle of prism
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