Home
Class 12
PHYSICS
To transmit a signal of 3 KHz frequency,...

To transmit a signal of 3 KHz frequency, the minimum length of antenna is _______km.

A

25

B

20

C

50

D

75

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

In a resonance tube experiment to determine the speed of sound in air, a pipe of diameter 5 cm is used . The column in pipe resonates with a tuning fork of frequency 480 H_(Z) when the minimum length of the air column is 16 cm . Find the speed in air column at room temperature.

The minimum value of 3cosx+4sinx+8 is

Write ratio of maximum and minimum length in the universe.

A point on the hypotenuse of a triangle is at distance a and b from the side of the triangle. Show that the minimum length of the hypotenuse is (a^((2)/(3))+b^((2)/(3)))^((3)/(2)) .

A cylindrical tube (L = 120 cm) is in resonance with in tuning fork of frequency 330 Hz. If it is filling by water then to get resonance again, minimum length of water column is (V_("air") = 330 m//s) :-

Find the (a) maximum frequency, and (b) minimum wavelength of X-rays produced by 30 kv electrons.

An applied voltage signal consists of a superposition of a dc voltage and an ac voltage of high frequency. The circuit consists of an inductor and a capacitor in series. Show that the dc signal will appear across C and the ac signal across L.

The process of superimposing signal frequency (i.e. audio wave) on the carrier wave is known as

The eyes of certain member of the reptile family pass a single visual signal to the brain when the visual receptors are struck by photons of wavelength 850nm . If a total energy of 3.15xx10^(14)J is required to trip the signal. What is the minimum number of photons that must strike the receptor?

A train of length l is moving with a constant speed v circular track of radius R, the engine of the train emits a whistle of frequency f_(0) . Find the frequency heard by a guard at the rear end of the train.