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The composition of two simple harmonic motions of equal periods at right angle to each other and with a phase difference of π results in the displacement of the particle along
23
Oct
The composition of two simple harmonic motions of equal periods at right angle to each other and with a phase difference of π results in the displacement of the particle along The composition of two simple harmonic motions of equal periods at right angle to each other and with a phase difference of π results [...]
A piece of metal weighs 46 g in the air. When it is immersed in the liquid of specific gravity 1.24 at 27 C, it weighs 30 g. When the temperature of liquid is raised to 42, the metal piece
23
Oct
A piece of metal weighs 46 g in the air. When it is immersed in the liquid of specific gravity 1.24 at 27 C, it weighs 30 g. When the temperature of liquid is raised to 42, the metal piece A piece of metal weighs 46 g in the air. When it is immersed in [...]
A steel scale measures the length of a copper wire as 80.0 cm, when both are at 20 C (the calibration temperature for scale). What would be the scale read for the length of the wire
23
Oct
A steel scale measures the length of a copper wire as 80.0 cm, when both are at 20 C (the calibration temperature for scale). What would be the scale read for the length of the wire A steel scale measures the length of a copper wire as 80.0 cm when both are at 20 C [...]
An iron tyre is to be fitted on to a wooden wheel 1 m in diameter. The diameter of tyre is 6 mm smaller than that of wheel. The tyre should be heated so that its temperature increases
23
Oct
An iron tyre is to be fitted on to a wooden wheel 1 m in diameter. The diameter of tyre is 6 mm smaller than that of wheel. The tyre should be heated so that its temperature increases An iron tyre is to be fitted on to a wooden wheel 1 m in diameter. The [...]
A metal ball immersed in alcohol weighs W1 at 0 C and W2 at 59 C. The coefficient of cubical expansion of the metal is less than that of alcohol. Assuming that the density of metal is large
23
Oct
A metal ball immersed in alcohol weighs W1 at 0 C and W2 at 59 C. The coefficient of cubical expansion of the metal is less than that of alcohol. Assuming that the density of metal is large A metal ball immersed in alcohol weighs W1 at 0 C and W2 at 59 C. The [...]
A glass flask of volume one litre at 0 C is filled, level full of mercury at this temperature. The flask and mercury are now heated to 100 C. How much mercury will spill out, if coefficient
23
Oct
A glass flask of volume one litre at 0 C is filled, level full of mercury at this temperature. The flask and mercury are now heated to 100 C. How much mercury will spill out, if coefficient A glass flask of volume one litre at 0 C is filled if coefficient level full of mercury [...]
The coefficient of apparant expansion of mercury in a glass vessel is 153 * 10^-6/ C and that in a steel vessel is 144 * 10^-6/ C. If alpha for steel is 12 * 10^-6/C, then that of glass is
23
Oct
The coefficient of apparant expansion of mercury in a glass vessel is 153 * 10^-6/ C and that in a steel vessel is 144 * 10^-6/ C. If alpha for steel is 12 * 10^-6/C, then that of glass is The coefficient of apparant expansion of mercury in a glass vessel is 153 * 10^-6/ [...]
The coefficient of volumetric expansion of mercury is 18 * 10^-5/C . A thermometer bulb has a volume 10^-6 m^3 and cross section of stem is of 0.004 cm^2. Assuming that bulb is
23
Oct
The coefficient of volumetric expansion of mercury is 18 * 10^-5/C . A thermometer bulb has a volume 10^-6 m^3 and cross section of stem is of 0.004 cm^2. Assuming that bulb is The coefficient of volumetric expansion of mercury is 18 * 10^-5/C . A thermometer bulb has a volume 10^-6 m^3 and cross [...]
A glass flask is filled up to a mark with 50 cc of mercury at 18 C. If the flask and contents are heated to 38 C, how much mercury will be above the mark ?
23
Oct
A glass flask is filled up to a mark with 50 cc of mercury at 18 C. If the flask and contents are heated to 38 C, how much mercury will be above the mark ? A glass flask is filled up to a mark with 50 cc of mercury at 18 C. If the [...]
A one litre glass flask contains some mercury. It is found that at different temperatures, the volume of air inside the flask remains the same. What is the volume of mercury in this flask
23
Oct
A one litre glass flask contains some mercury. It is found that at different temperatures, the volume of air inside the flask remains the same. What is the volume of mercury in this flask A one litre glass flask contains some mercury. It is found that at different temperatures the volume of air inside the [...]