Question
 For television broadcasting the frequency employed is normally:

Answer

  1. 30-300 MHz

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Laser beams are used to measure long distance because(a) They are monochromatic(b) They are highly polarised(c) They are coherent(d) They have high degree of parallelism
   
   
A ray of light travels from a denser to a rarer medium then, the ray:
Which of the following represents an infrared wavelength
Compton effect shows that(a) X-rays are waves(b) X-rays have high energy(c) X-rays can penetrate matter(d) Photons have momentum
   
   
Four resistances of $100\Omega$ each are connected in the form of square. Then, the effective resistance along the diagonal points is
In Young's double slit experiment, carried out with light of wavelength l = 5000 Å, the distance between the slits is 0.2 mm and the screen is at 200 cm from the slits. The central maximum is at x = 0. The third maximum (taking the central maximum as zeroth maximum) will be at x equal to              (a) 1.67 cm(b) 1.5 cm(c) 0.5 cm(d) 5.0 cm
       
The value of electric field in an electromagnetic wave originating from a point source of light at a distance of  10 meter is $\text{E}=\frac{500\text{Volt}}{\text{m}}$ The electric field at a distance of 5 meter will be.
A nucleus decays by $\beta^+$ emission followed by a gamma emission. If the atomic and mass numbers of the parent nucleus are $Z$ and $A$ respectively, the corresponding numbers for the daughter nucleus are respectively.
In a series $\text{RLC}$ circuit that is operating above the resonant frequency, the current.
Which one is not the property of charge?