Solar cells work on the principle of (1) photovoltaic effect (2) photoelectric effect (3) photoconductive effect (4) photosynthesis

Solar cells work on the principle of (1) photovoltaic effect (2) photoelectric effect (3) photoconductive effect (4) photosynthesis
by

1 Answer

Answer :

photovoltaic effect
by

Related questions

Solar cells work on the principle of – (1) photovoltaic effect (2) photoelectric effect (3) photoconductive effect (4) photosynthesis

Description : Solar cells work on the principle of – (1) photovoltaic effect (2) photoelectric effect (3) photoconductive effect (4) photosynthesis

Last Answer : (1) photovoltaic effect Explanation: Solar cells work on the principle of photovoltaic effect.

The device used to convert solar energy into electricity is – (1) Photovoltaic cell (2) Daniell cell (3) Electrochemical cell (4) Galvanic cell

Description : The device used to convert solar energy into electricity is – (1) Photovoltaic cell (2) Daniell cell (3) Electrochemical cell (4) Galvanic cell

Last Answer : (1) Photovoltaic cell Explanation: Sunlight is converted into electricity using photovoltaics (PV). A photovoltaic system employs solar panels composed of a number of solar cells to supply usable solar power.

The device used to convert solar energy into electricity is (1) Photovoltaic cell (2) Daniell cell (3) Electrochemical cell (4) Galvanic cell

Description : The device used to convert solar energy into electricity is (1) Photovoltaic cell (2) Daniell cell (3) Electrochemical cell (4) Galvanic cell

Last Answer : Photovoltaic cell

Quartz crystal in quartz watches work on the principle called? A. Photoelectric effect B. Stark effect C. Thermionic effect D. Piezo-electric effect (Answer) E. None of these

Description : Quartz crystal in quartz watches work on the principle called? A. Photoelectric effect B. Stark effect C. Thermionic effect D. Piezo-electric effect (Answer) E. None of these

Last Answer : D. Piezo-electric effect (Answer)

Photoelectric electricity is produced directly from solar energy when which of the following are absorbed in a semiconductor to create an electric current? w) protons x) electrons y) neutrons z) photons

Description : Photoelectric electricity is produced directly from solar energy when which of the following are absorbed in a semiconductor to create an electric current? w) protons x) electrons y) neutrons z) photons

Last Answer : ANSWER: Z -- PHOTONS

For photoelectric effect to take place, the metal used as the cathode should have – (1) high melting point (2) low melting point (3) low work function (4) low resistance

Description : For photoelectric effect to take place, the metal used as the cathode should have – (1) high melting point (2) low melting point (3) low work function (4) low resistance

Last Answer : (3) low work function Explanation: The photoelectric effect is the propensity of high-energy electromagnetic radiation to eject electrons from a given material. The photoelectric effect has been utilized in devices called photocells, consisting of two electrodes in a sealed vacuum tube.

Albert Einstein received the Nobel prize in physics for his work on: w) gravitation x) relativity y) photoelectric effect z) Brownian motion

Description : Albert Einstein received the Nobel prize in physics for his work on: w) gravitation x) relativity y) photoelectric effect z) Brownian motion

Last Answer : ANSWER: Y -- PHOTOELECTRIC EFFECT

For photoelectric effect to take place, the metal used as the cathode should have______ (1) high melting point (2) low melting point (3) low work function (4) low resistance

Description : For photoelectric effect to take place, the metal used as the cathode should have______ (1) high melting point (2) low melting point (3) low work function (4) low resistance

Last Answer :  low work function

Write briefly about (a) Shock Waves (b) Sound Barrier (c) Solar Cell (d) Super Fluid (e) Tsunami (f) Photovoltaic Cell (g) Hygrometer

Description : Write briefly about (a) Shock Waves (b) Sound Barrier (c) Solar Cell (d) Super Fluid (e) Tsunami (f) Photovoltaic Cell (g) Hygrometer

Last Answer : (a) Shock Waves In fluid dynamics, a shock wave is a nonlinear or discontinuous pressure wave. It can also be when the actual molecular or particle speed is moving faster than the wave ... . Evaporation from the bulb lowers the temperature so that this thermometer usually shows a lower temperature.

Solar photovoltaic devices encouraged their use for water . A) Pumping. C) Lighting B) Both A & C. D) None of the above.

Description : Solar photovoltaic devices encouraged their use for water . A) Pumping. C) Lighting B) Both A & C. D) None of the above.

Last Answer : PUMPING

With a neat diagram explain solar photovoltaic power plant.

Description : With a neat diagram explain solar photovoltaic power plant. 

Last Answer : Diagram of solar photovoltaic power plant :  Explanation:  Solar power plant consists of following components:  1. Photovoltaic cell panel: Its function is to convert sunrays directly into DC ... .  5. Step-up transformer: It step-up input voltage to utilization voltage e.g. 230V

How do photovoltaic cells work?

Description : How do photovoltaic cells work?

Last Answer : Photovoltaics or PV is the same what we call as solar panels. They absorb energy from sunlight and convert it into electrical energy. Electricity produced on these PV cells is then stored in a ... functioning of photovoltaic cells but generally, it doesn't affect the efficiency of panels or cells.

Which of the following supports particle nature of photons? (1) Diffraction (2) Polarization (3) Photoelectric effect (4) Interference

Description : Which of the following supports particle nature of photons? (1) Diffraction (2) Polarization (3) Photoelectric effect (4) Interference

Last Answer : (3) Photoelectric effect

The reverse effect of X-ray emission is (1) Raman effect (2) Compton effect (3) Zeeman effect (4) Photoelectric

Description : The reverse effect of X-ray emission is (1) Raman effect (2) Compton effect (3) Zeeman effect (4) Photoelectric

Last Answer : (4) Photoelectric Explanation: When fast moving electrons strike on high atomic weight substance, X - ray is produced. In contrast, Photoelectric effect takes place when radiation of sufficient frequency ... and electrons are emitted. Hence, X ray is the inverse phenomenon of photoelectric effect.

Which phenomena shows the particle nature of light? (1) Diffraction (2) Interference (3) Photoelectric effect (4) Polarisation

Description : Which phenomena shows the particle nature of light? (1) Diffraction (2) Interference (3) Photoelectric effect (4) Polarisation

Last Answer : (3) Photoelectric effect Explanation: The phenomena such as interference, diffraction, and polarization can only be explained when light is treated as a wave whereas photoelectric effect, line spectra, and the production and scattering of x rays demonstrate the particle nature of light.

The particle nature of light is demonstrated by which of the following? w) the photoelectric effect x) the various colors of light y) the speed of light z) diffraction.

Description : The particle nature of light is demonstrated by which of the following? w) the photoelectric effect x) the various colors of light y) the speed of light z) diffraction.

Last Answer : ANSWER: W -- THE PHOTOELECTRIC EFFECT

What important property of light is demonstrated by the photoelectric effect?

Description : What important property of light is demonstrated by the photoelectric effect?

Last Answer : ANSWER: PARTICLE NATURE OF LIGHT

The photoelectric effect is a demonstration of: w) the wave nature of light x) the particle nature of light y) Compton scattering z) the continuous spectrum of radiation

Description : The photoelectric effect is a demonstration of: w) the wave nature of light x) the particle nature of light y) Compton scattering z) the continuous spectrum of radiation

Last Answer : ANSWER: X -- THE PARTICLE NATURE OF LIGHT 

Which of the following phenomena suggest that light may be a transverse wave? w) reflection x) polarization y) photoelectric effect z) diffraction

Description : Which of the following phenomena suggest that light may be a transverse wave? w) reflection x) polarization y) photoelectric effect z) diffraction

Last Answer : ANSWER: X -- POLARIZATION

The wave nature of light is demonstrated by which of the following? w) the photoelectric effect x) color y) the speed of light z) diffraction

Description : The wave nature of light is demonstrated by which of the following? w) the photoelectric effect x) color y) the speed of light z) diffraction

Last Answer : ANSWER: Z -- DIFFRACTION

The reverse effect of X–ray emission is (1) Raman effect (2) Compton effect (3) Zeeman effect (4) Photoelectric

Description : The reverse effect of X–ray emission is (1) Raman effect (2) Compton effect (3) Zeeman effect (4) Photoelectric

Last Answer : Photoelectric

Which of the following supports particle nature of photons ? (1) Diffraction (2) Polarization (3) Photoelectric effect (4) Interference

Description : Which of the following supports particle nature of photons ? (1) Diffraction (2) Polarization (3) Photoelectric effect (4) Interference

Last Answer : Photoelectric effect

What kind of effect is referred to a varying light producing a varying voltage output of a detector? A. Current effect B. Voltage effect C. Resistive effect D. Photovoltaic effect

Description : What kind of effect is referred to a varying light producing a varying voltage output of a detector? A. Current effect B. Voltage effect C. Resistive effect D. Photovoltaic effect

Last Answer : D. Photovoltaic effect

Photovoltaic cells are semiconductors of

Description : Photovoltaic cells are semiconductors of

Last Answer : Photovoltaic cells are semiconductors of A. silicon B. gallim arsinide C. cadmium telluride D. all the above

What are the two main tools for collecting solar energy? a. Photoelectric panels and energy crops. b. Genetic engineering and internet. c. Both a. and b. d. None of the above.

Description : What are the two main tools for collecting solar energy? a. Photoelectric panels and energy crops. b. Genetic engineering and internet. c. Both a. and b. d. None of the above.

Last Answer : a. Photoelectric panels and energy crops.

What is the theoretical limit of the efficiency of a single-crystal single-junction cell in a photovoltaic system? w) 9 percent x) 29 percent y) 79 percent z) 99 percent

Description : What is the theoretical limit of the efficiency of a single-crystal single-junction cell in a photovoltaic system? w) 9 percent x) 29 percent y) 79 percent z) 99 percent

Last Answer : ANSWER: X -- 29 PERCENT

Describe the working principle of photoelectric pickup type tacho-generator.

Description : Describe the working principle of photoelectric pickup type tacho-generator.

Last Answer : Working: Working principle: The light passes through the holes available on the rotating disc with a specific interval, depends on the angular speed of disc having equidistant holes. The frequency of this light pulses ... by N=f/HS  N=speed  f=frequency  Hs=holes on the disc

During a total solar eclipse there is most likely to be _____. A. A decrease in the rate of photosynthesis B. An increase in the rate of photosynthesis C. A decrease in the rate of respiration D. No effect on either photosynthesis or respiration

Description : During a total solar eclipse there is most likely to be _____. A. A decrease in the rate of photosynthesis B. An increase in the rate of photosynthesis C. A decrease in the rate of respiration D. No effect on either photosynthesis or respiration

Last Answer : ANSWER: A

During a total solar eclipse there is most likely to be _____. A. A decrease in the rate of photosynthesis B. An increase in the rate of photosynthesis C. A decrease in the rate of respiration D. No effect on either photosynthesis or respiration

Description : During a total solar eclipse there is most likely to be _____. A. A decrease in the rate of photosynthesis B. An increase in the rate of photosynthesis C. A decrease in the rate of respiration D. No effect on either photosynthesis or respiration

Last Answer : ANSWER: A

During a total solar eclipse there is most likely to be-------? A. A decrease in the rate of photosynthesis (Answer) B. An increase in the rate of photosynthesis C. A decrease in the rate of respiration D. No effect on either photosynthesis or respiration

Description : During a total solar eclipse there is most likely to be-------? A. A decrease in the rate of photosynthesis (Answer) B. An increase in the rate of photosynthesis C. A decrease in the rate of respiration D. No effect on either photosynthesis or respiration

Last Answer : A. A decrease in the rate of photosynthesis (Answer)

Solar energy is converted into chemical energy during – (1) Transpiration (2) Photosynthesis (3) Diffusion (4) Osmosis

Description : Solar energy is converted into chemical energy during – (1) Transpiration (2) Photosynthesis (3) Diffusion (4) Osmosis

Last Answer : (2) Photosynthesis Explanation: In photosynthesis, solar energy is converted to chemical energy. The chemical energy is stored in the form of glucose (sugar). Carbon dioxide, water, and sunlight are ... captured from the sun into chemical energy that can be used to fuel the organism's activities.

Solar energy is converted into chemical energy during (1) Transpiration (2) Photosynthesis (3) Diffusion (4) Osmosis

Description : Solar energy is converted into chemical energy during (1) Transpiration (2) Photosynthesis (3) Diffusion (4) Osmosis

Last Answer : Photosynthesis

What is the photoelectric effect?

Description : What is the photoelectric effect?

Last Answer : The photoelectric effect is the phenomenon by which electrons are emitted from a material when it absorbs electromagnetic radiation, such as light, and is an important concept in physics and quantum mechanics.

What is the photoelectric effect?

Description : What is the photoelectric effect?

Last Answer : The photoelectric effect is a phenomenon in which electrons are emitted from a material when it is exposed to electromagnetic radiation, such as light, and was one of the key pieces of evidence supporting the theory of quantum mechanics.

What is the photoelectric effect?

Description : What is the photoelectric effect?

Last Answer : The photoelectric effect is the phenomenon in which electrons are emitted from a material when it is exposed to electromagnetic radiation, and is an important experimental result that provided evidence for the quantum nature of light.

Can The photoelectric effect can only be explained by thinking of light as a stream of tiny packets of energy or as a?

Description : Can The photoelectric effect can only be explained by thinking of light as a stream of tiny packets of energy or as a?

Last Answer : Need answer

In the photoelectric effect,what happens when light hits the metal?

Description : In the photoelectric effect,what happens when light hits the metal?

Last Answer : electrons are knocked off atoms, causing electricity to flow

In the photoelectric effect,what happens when light hits the metal?

Description : In the photoelectric effect,what happens when light hits the metal?

Last Answer : electrons are knocked off atoms, causing electricity to flow

The ejection of electrons when a metal surface is irradiated is called (a) Black body radiation (b) Photoelectric effect (c) Zeeman effect (d) Atomic spectrum

Description : The ejection of electrons when a metal surface is irradiated is called (a) Black body radiation (b) Photoelectric effect (c) Zeeman effect (d) Atomic spectrum

Last Answer : Ans:(b)

The Law of Photoelectric Effect was for- mulated by?

Description : The Law of Photoelectric Effect was for- mulated by?

Last Answer : Albert Einstein

For his explanation of Photoelectric Effect, he got Nobel prize for Physics in?

Description : For his explanation of Photoelectric Effect, he got Nobel prize for Physics in?

Last Answer : 1921

Photoelectric Effect was explained by?

Description : Photoelectric Effect was explained by?

Last Answer : Albert Einstein

Photoelectric Effect was proposed by?

Description : Photoelectric Effect was proposed by?

Last Answer : Heinrich Hertz

Which one of the following phenomena can be studied with -rays a) Photoelectric effect b) Compton effect c) Pair production d) All of the above

Description : Which one of the following phenomena can be studied with -rays a) Photoelectric effect b) Compton effect c) Pair production d) All of the above

Last Answer : a) Photoelectric effect

Photoelectric effect was discovered by a) Einstein b) G.P.Thomson c) Hallwachs d) Lenard

Description : Photoelectric effect was discovered by a) Einstein b) G.P.Thomson c) Hallwachs d) Lenard

Last Answer : a) Einstein

The wave nature of light is demonstrated by which of the following? A. The photoelectric effect B. Color C. The speed of light D. Diffraction

Description : The wave nature of light is demonstrated by which of the following? A. The photoelectric effect B. Color C. The speed of light D. Diffraction

Last Answer : D. Diffraction

Which of the following scientists explained the photoelectric effect? Was it: w) Einstein x) Planck y) Bohr z) Chadwick

Description : Which of the following scientists explained the photoelectric effect? Was it: w) Einstein x) Planck y) Bohr z) Chadwick

Last Answer : ANSWER: W -- EINSTEIN

State any four characteristics of photoelectric effect.

Description : State any four characteristics of photoelectric effect. 

Last Answer : i) A metal emits electrons only when the incident (light) radiation has frequency greater than critical frequency (υ0) called threshold frequency. Threshold frequency different for different ... photoelectrons from the photocathode is independent of its Temperature. vi) The process is instantaneous

Why are potassium and caesium, rather than lithium used in photoelectric cells ?

Description : Why are potassium and caesium, rather than lithium used in photoelectric cells ?

Last Answer : Ans. Potassium and caesium have much lower ionization enthalpy than that of lithium. As a result, these metals on exposure to light, easily emit electrons but lithium does not. Therefore, K and Cs rather than Li are used in photoelectric cells

ROM is composed of 1) Magnetic cores 2) Micro-processors 3) Photoelectric cells 4) Floppy disks

Description : ROM is composed of 1) Magnetic cores 2) Micro-processors 3) Photoelectric cells 4) Floppy disks

Last Answer : 2) Micro-processors