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Question
A wood board floats in fresh water with 60% of its volume under water. The density of the woodis:A) 0.4 g/cm3
B) 0.5 g/cm3
C) 0.6 g/cm3
D) less than 0.4 g/cm3
E) more than 0.6 g/cm3
Answer
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Related questions
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Q:
In a photoelectric effect experiment at a frequency above cut off, the stopping potential is proportional to:
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Q:
In a photoelectric effect experiment at a frequency above cut off, the number of electrons ejected is proportional to:
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Q:
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5) decrease the separation between the slits
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Q:
The resolving power of a telescope can be increased by:
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Q:
Light of wavelength 480 nm falls on a slit of width 3.5 m. What is the relative intensity (that is, the value of I/Im) of the diffraction pattern at an angle of 18?
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Q:
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