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An assertion and a reason are given below. Assertion : When velocity is kept constant and wavelength is halved, then the frequency is doubled. Reason : Velocity = Frequency x Wavelength Choose the answer.
An Assertion and a Reason are given below
Assertion: When a velocity is kept constant and wavelength is halved, then the frequency is doubled
Reason: Velocity = Frequency × Wavelength
Choose the answer:
Which one of the following statements is/are incorrect regarding waves? (A) wave height is not indicator of wave energy (B) wave height is controlled by wind strength (C) the distance of open water a wave travels over affects the wave height (D) the depth of the sea is important factors affecting wave height Choose the most appropriate answer from the options given below:
A message signal of frequency ωm is superimposed on a carrier wave of frequency ωc to get an amplitude modulated wave (AM). The frequency of the AM wave will be:
Consider the following statements
If a sum of money is lent at simple interest, then the
I - money gets doubled in 5 years if the rate of interest is $$16\frac{2}{3}$$ %
II - money gets doubled in 5 years if the rate of interest is 20%.
III - money becomes four times in 10 years if it gets doubled in 5 years.
The cut off wavelength and the guided wavelength are given by 0.5 and 2 units respectively. Find the wavelength of the wave.
In an AM system receiver. the mixer translates the carrier frequency fc to a fixed intermediate frequency of 450 kHz. Given a broadcast signal of frequency 900 kHz. What is the corresponding image frequency when a superhetrodyne receiver is employed with local oscillator frequency greater than the broadcast signal frequency?
Many wave properties are dependent upon other wave properties. Yet, one wave property is independent of all other wave properties. Which one of the following properties of a wave is independent of all the others?
Consider the following statements regarding sound wave.  I. It is a kind of longitudinal wave.  II. It is a mechanical wave.  III. The audible sound wave has the frequency of 20 Hz-20000 Hz.  Which among the above statements is/are correct?
In a reaction, A + B → Product, when the concentration of B is doubled the rate is doubled, and when the concentrations of both the reactant doubled the rate is increased by a factor of 8, rate law can be written as: 2 b) Rate = k2 c) Rate = k d) Rate = k22