MCQ
In satellite communication, the uplink frequency band used is
- A$3.7-4.2\,GHz$
- ✓$5.925-6.425\,GHz$
- C$76-88\,MHz$
- D$420-890\,MHz$
✓
Answer
Correct option: B.
$5.925-6.425\,GHz$
b
Conceptual
Conceptual
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 magnetic flux in a coil of $100$ turns increases by $12 \times 10^3$ Maxwell in $0.2$ second due to the motion of a magnet. The emf induced in the coil will be.
→The distance of the moon from earth is $3.8 \times {10^5}km.$ The eye is most sensitive to light of wavelength $5500 Å$. The separation of two points on the moon that can be resolved by a $500\ cm$ telescope will be......$m$
→3 identical bulbs are connected in series and these together dissipate a power P. If now the bulbs are connected in parallel, then the power dissipated will be
In a meter bridge experiment resistances are connected as shown in the figure. Initially resistance $P\, = 4\,\Omega $ and the neutral point $N$ is at $60\,cm$ from $A$. Now an unknown resistance $R$ is connected in series to $P$ and the new position of the neutral point is at $80\,cm$ from $A$ . The value of unknown resistance $R$ is
→Three capacitors of capacitance $3\,\mu \,F$ are connected in a circuit. Then their maximum and minimum capacitances will be
→The current flowing through an ac circuit is given by
→$I=5 \sin (120 \pi t) A$
How long will the current take to reach the peak value starting from zero?
Assertion : Diamond glitters brilliantly.
Reason : Diamond does not absorb sunlight.
The cellular mobile radio frequency band is:
Let $I_A$ and $I_B$ be moments of inertia of a body about two axes $A$ and $B$ respectively. The axis $A$ passes through the centre of mass of the body but $B$ does not:
→Two radiations of photons energies $1 \;eV$ and $2.5\; eV$ , successively illuminate a photosensitive metallic surface of work function $0.5\; eV$. The ratio of the maximum speeds of the emitted electrons is
→