MCQ
The waves used in telecommunication are
- AIR
- BUV
- ✓Microwave
- DCosmic rays
✓
Answer
Correct option: C.
Microwave
Microwave
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The electric flux for Gaussian surface A that enclose the charged particles in free space is (given $q_1$ = –14 nC, $q_2$ = 78.85 nC, $q_3$ = – 56 nC)
→In Young’s double slit experiment, we get $10$ fringes in the field of view of monochromatic light of wavelength $4000{\text{ }}\mathop {\text{A}}\limits^o $. If we use monochromatic light of wavelength $5000{\text{ }}\mathop {\text{A}}\limits^o $, then the number of fringes obtained in the same field of view is
→A parallel plate capacitor is charged to a potential difference of $50\, V$. It is discharged through a resistance. After $1$ second, the potential difference between plates becomes $40 \,V$. Then
→$p-n$ junction diode acts as:
→Natural light from the sun is :
Figure shows a siphon. The liquid shown is water. The pressure difference $P_a\ P_A$ between the points $A$ and $B$ is the reading will be:
→Which among the following is true?
In the following circuit, the magnitude of current $I _{ l }$, is $............A$.
→A scientist is observing a bacteria through a compound microscope. For better analysis and to improve its resolving power he should. (Select the best option)
Fusion reaction is also known as $......$
→