Question 25
Question: (a) A sound wave of wave length 0.332 m has a time period of 10 - 3 s. If the time period is decreased to 10 - 4 s. Calculate the wave length and frequency of the new wave. (b) Name the subjective property of sound related to its frequency ..
Question: (a) A sound wave of wave length 0.332 m has a time period of 10 - 3 s. If the time period is decreased to 10 - 4 s. Calculate the wave length and frequency of the new wave. (b) Name the subjective property of sound related to its frequency ..Experiment on Interference of Sound Waves
. Initially, the path lengths are adjusted to be equal. The outer tube is pulled out till the sound intensity becomes minimum. The distance through which the tube has been slided will be l /4, since the path difference is l /2. By measuring this distance using a scale, l can be calculated..
Electromagnetic Radiation and Energy
Electromagnetic Radiation and Energy(Planck's quantum theory) - In 1900, Max Planck presented the results of his famous black body radiation experiments, which showed that light has a dual character, behaving like a particle as well as a wave. He gave the Quantum Theory of Radiation explaining elec..
Summary
. Further, as electron would lose energy continuously, the atoms should emit electro-magnetic waves over a continuous range. But atoms emit only discrete frequency wavelengths only. From alpha ray scattering experiment, Rutherford calculated distance (r o ) of closest approach o..
. Further, as electron would lose energy continuously, the atoms should emit electro-magnetic waves over a continuous range. But atoms emit only discrete frequency wavelengths only. From alpha ray scattering experiment, Rutherford calculated distance (r o ) of closest approach o..Five dice were thrown 96 times and the number of times 4, 5 or 6 were ..
Five dice were thrown 96 times and the number of times 4, 5 or 6 were shown are given in the table. Calculate c 2 . Number of dice throwing 4 or 5 or 6 5 4 3 2 1 0 Frequency 7 19 35 24 8 3 => 11.1 or 12.9 or 17.1 or 11.7..
Frequency bands in radio wave communication
With reference to the frequency range, the radio waves are classified as unde..
Steps for Calculation
Calculate empirical formula Use vapour density if given If molecular weight given, calculate 'n' using this formula Molecular formula = n x empirical formul..
Calculate empirical formula Use vapour density if given If molecular weight given, calculate 'n' using this formula Molecular formula = n x empirical formul..Calculation of solubility
Knowing the solubility product of a sparingly soluble salt like AgCl, PbI 2 , BaSO 4 etc. the solubility of the salt can be calculated..
Relation between Relative Refractive Index and Absolute Refractive Index
Let light travel from air to medium 1. If c and v 1 are the velocities of light in these media, the refractive index of medium 1 with respect to air, or the absolute refractive index of medium 1 is given by Similarly, when light travels from air to medium 2, we can write Dividing equation (ii) by e..
Let light travel from air to medium 1. If c and v 1 are the velocities of light in these media, the refractive index of medium 1 with respect to air, or the absolute refractive index of medium 1 is given by Similarly, when light travels from air to medium 2, we can write Dividing equation (ii) by e..See what our Users say :
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