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Question
A long U-tube contains mercury (density = 14x103kg/m3). When 10 cm of water (density = 1.0 x103kg/m 3) is poured into the left arm, the mercury in the right arm rises above its original level by:
A) 0.36 cm
B) 0.72 cm
C) 14 cm
D) 35 cm
E) 70 cm
Answer
This answer is hidden. It contains 1 characters.
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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Q:
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Q:
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Q:
Figure (i) shows a double-slit pattern obtained using monochromatic light. Consider the following five possible changes in conditions:
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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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