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4 years ago

Solid volumes can always be determined by the displacement method. true or false

Physics

1 answer:

Aleks [24]4 years ago

8 0

Answer:

True

Explanation:

Displacement method is one in which the solid object is submerged into water and the amount of water displaced is measured which is equal to the volume of solid.

Hence the above statement is true.

One milliliter (1 mL) of water has a volume of 1 cubic centimeter (1cm3) so this measurment helps to calculate the volume of any solid.

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A uniform conducting rod of length 34 cm has a potential difference across its ends equal to 39 mV (millivolts). What is the mag

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Electric field is the change in voltage per unit distance

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E = 39/34

= 1/147 mV/cm

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Answer:

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3 years ago

What is the relationship between the wavelength of the peak (maximum) of the Gaussian curve and the temperature in degrees Kelvi

Tomtit [17]

Answer:

$\lambda_{max}=\frac{b}{T}$

Explanation:

Wien's displacement law states that the radiation of the black body curve for different temperatures will give peak values at different wavelengths and this wavelength is related inversely to the temperature.

Formally the law of Wien displacement states that the black body's spectral radiation per unit of wavelength, will give peaks at the wavelength of $\lambda_{max}$ which is given by the mathematical expression.

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3 years ago