MCQ
Energy conversion in a photoelectric cell takes place from
- AChemical to electrical
- BMagnetic to electrical
- ✓Optical to electrical
- DMechanical to electrical
✓
Answer
Correct option: C.
Optical to electrical
c
(c) In a photelectric cell, optical energy is being transformed into electrical energy because light photons are being absorbed and photoelectric current is being produced.
(c) In a photelectric cell, optical energy is being transformed into electrical energy because light photons are being absorbed and photoelectric current is being produced.
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
Consider a system of three charges $\frac{\mathrm{q}}{3}, \frac{\mathrm{q}}{3}$ and $-\frac{2 \mathrm{q}}{3}$ placed at points $\mathrm{A}, \mathrm{B}$ and $\mathrm{C}$, respectively, as shown in the figure,
→Take $\mathrm{O}$ to be the centre of the circle of radius $\mathrm{R}$ and angle $\mathrm{CAB}=60^{\circ}$
Figure:$Image$ 
Figure gives a system of logic gates. From the study of truth table it can be found that to produce a high output $(1)$ at $R$, we must have
→A negatively charged plate has charge density of $2 \times {10^{ - 6}}\,C/{m^2}$. The initial distance of an electron which is moving toward plate, cannot strike the plate, if it is having energy of $200\,eV$
→A satellite is moving with a constant speed ' $V$ ' in a circular orbit about the earth. An object of mass ' $m$ ' is ejected from the satellite such that it just escapes from the gravitational pull of the earth. At the time of its ejection, the kinetic energy of the object is
→A conducting rod moving in uniform magnetic field according to diagram then which end is at low potential
A rod of length $10\,\, cm$ lies along the principal axis of a concave mirror of focal length $10\,\, cm$ in such a way that its end closer to the pole is $20\,\, cm$ away from the mirror. The length of the image is ......$cm$
→When a bus suddenly takes a turn, the passengers are thrown outwards because of
A uniform magnetic field $B$ is acting from south to north and is of magnitude $1.5$ $Wb/{m^2}$. If a proton having mass $ = 1.7 \times {10^{ - 27}}\,kg$ and charge $ = 1.6 \times {10^{ - 19}}\,C$ moves in this field vertically downwards with energy $5\, MeV$, then the force acting on it will be
→A $10\, kW$ transmitter emits radio waves of wavelength $500\, m$. The number of photons emitted per second by the transmitter is of the order of
→Which of the following compounds will most readily be dehydrated to give alkene under acidic condition?