357828 Experimental study of photoelectric effect shows that
I.
Photocurrent \(\propto\) intensity of light
II.
Saturation current \(\propto\) intensity of light
III.
Photoemission occurs only at frequency greater than thresold frequency.

357829 Match the quantities of Column I with their values in Column II and choose the correct option from the codes given below.
Column I
Column II
A
Maximum number of photons absorbed by an electron in a photo electric effect
P
\(\frac{{{\phi _0}}}{{{v_0}}}\)
B
Number of photons each of energy \(E\) emitted by a source of power \(P\) per second
Q
\(\frac{P}{E}\)
C
Energy of a photon
R
\(hv\)
D
Planck's constant in terms of work function and threshold frequency
S
1

357830 When the amplitude of the light wave incident on a photometal sheet is increased then

357831 Energy from the sun is received on earth at the rate of \( = 2\,cal\,c{m^{ - 2}}\;{\rm{mi}}{{\rm{n}}^{ - 1}}\). If average wavelength of solar light be taken as \(5500\,\mathop {{\rm{ }}A}\limits^{\;\;^\circ } \), then how many photons are received on the earth \(\left( {c{m^{ - 2}}\;{\rm{mi}}{{\rm{n}}^{ - 1}}} \right)\)?
(Take, \(h = 6.6 \times {10^{ - 34}}\;J - s,1\,cal = 4.2\;J\))

357832 A laser used to weld detached retains emits light with a wavelength \(652\;nm\) in pulses that are of \(20\;ms\) duration. The average power during each pulse is \(0.6\;W\). The energy in each pulse and in a single photon are

357828 Experimental study of photoelectric effect shows that
I.
Photocurrent \(\propto\) intensity of light
II.
Saturation current \(\propto\) intensity of light
III.
Photoemission occurs only at frequency greater than thresold frequency.

357829 Match the quantities of Column I with their values in Column II and choose the correct option from the codes given below.
Column I
Column II
A
Maximum number of photons absorbed by an electron in a photo electric effect
P
\(\frac{{{\phi _0}}}{{{v_0}}}\)
B
Number of photons each of energy \(E\) emitted by a source of power \(P\) per second
Q
\(\frac{P}{E}\)
C
Energy of a photon
R
\(hv\)
D
Planck's constant in terms of work function and threshold frequency
S
1

357830 When the amplitude of the light wave incident on a photometal sheet is increased then

357831 Energy from the sun is received on earth at the rate of \( = 2\,cal\,c{m^{ - 2}}\;{\rm{mi}}{{\rm{n}}^{ - 1}}\). If average wavelength of solar light be taken as \(5500\,\mathop {{\rm{ }}A}\limits^{\;\;^\circ } \), then how many photons are received on the earth \(\left( {c{m^{ - 2}}\;{\rm{mi}}{{\rm{n}}^{ - 1}}} \right)\)?
(Take, \(h = 6.6 \times {10^{ - 34}}\;J - s,1\,cal = 4.2\;J\))

357832 A laser used to weld detached retains emits light with a wavelength \(652\;nm\) in pulses that are of \(20\;ms\) duration. The average power during each pulse is \(0.6\;W\). The energy in each pulse and in a single photon are

357828 Experimental study of photoelectric effect shows that
I.
Photocurrent \(\propto\) intensity of light
II.
Saturation current \(\propto\) intensity of light
III.
Photoemission occurs only at frequency greater than thresold frequency.

357829 Match the quantities of Column I with their values in Column II and choose the correct option from the codes given below.
Column I
Column II
A
Maximum number of photons absorbed by an electron in a photo electric effect
P
\(\frac{{{\phi _0}}}{{{v_0}}}\)
B
Number of photons each of energy \(E\) emitted by a source of power \(P\) per second
Q
\(\frac{P}{E}\)
C
Energy of a photon
R
\(hv\)
D
Planck's constant in terms of work function and threshold frequency
S
1

357830 When the amplitude of the light wave incident on a photometal sheet is increased then

357831 Energy from the sun is received on earth at the rate of \( = 2\,cal\,c{m^{ - 2}}\;{\rm{mi}}{{\rm{n}}^{ - 1}}\). If average wavelength of solar light be taken as \(5500\,\mathop {{\rm{ }}A}\limits^{\;\;^\circ } \), then how many photons are received on the earth \(\left( {c{m^{ - 2}}\;{\rm{mi}}{{\rm{n}}^{ - 1}}} \right)\)?
(Take, \(h = 6.6 \times {10^{ - 34}}\;J - s,1\,cal = 4.2\;J\))

357832 A laser used to weld detached retains emits light with a wavelength \(652\;nm\) in pulses that are of \(20\;ms\) duration. The average power during each pulse is \(0.6\;W\). The energy in each pulse and in a single photon are

357828 Experimental study of photoelectric effect shows that
I.
Photocurrent \(\propto\) intensity of light
II.
Saturation current \(\propto\) intensity of light
III.
Photoemission occurs only at frequency greater than thresold frequency.

357829 Match the quantities of Column I with their values in Column II and choose the correct option from the codes given below.
Column I
Column II
A
Maximum number of photons absorbed by an electron in a photo electric effect
P
\(\frac{{{\phi _0}}}{{{v_0}}}\)
B
Number of photons each of energy \(E\) emitted by a source of power \(P\) per second
Q
\(\frac{P}{E}\)
C
Energy of a photon
R
\(hv\)
D
Planck's constant in terms of work function and threshold frequency
S
1

357830 When the amplitude of the light wave incident on a photometal sheet is increased then

357831 Energy from the sun is received on earth at the rate of \( = 2\,cal\,c{m^{ - 2}}\;{\rm{mi}}{{\rm{n}}^{ - 1}}\). If average wavelength of solar light be taken as \(5500\,\mathop {{\rm{ }}A}\limits^{\;\;^\circ } \), then how many photons are received on the earth \(\left( {c{m^{ - 2}}\;{\rm{mi}}{{\rm{n}}^{ - 1}}} \right)\)?
(Take, \(h = 6.6 \times {10^{ - 34}}\;J - s,1\,cal = 4.2\;J\))

357832 A laser used to weld detached retains emits light with a wavelength \(652\;nm\) in pulses that are of \(20\;ms\) duration. The average power during each pulse is \(0.6\;W\). The energy in each pulse and in a single photon are

357828 Experimental study of photoelectric effect shows that
I.
Photocurrent \(\propto\) intensity of light
II.
Saturation current \(\propto\) intensity of light
III.
Photoemission occurs only at frequency greater than thresold frequency.

357829 Match the quantities of Column I with their values in Column II and choose the correct option from the codes given below.
Column I
Column II
A
Maximum number of photons absorbed by an electron in a photo electric effect
P
\(\frac{{{\phi _0}}}{{{v_0}}}\)
B
Number of photons each of energy \(E\) emitted by a source of power \(P\) per second
Q
\(\frac{P}{E}\)
C
Energy of a photon
R
\(hv\)
D
Planck's constant in terms of work function and threshold frequency
S
1

357830 When the amplitude of the light wave incident on a photometal sheet is increased then

357831 Energy from the sun is received on earth at the rate of \( = 2\,cal\,c{m^{ - 2}}\;{\rm{mi}}{{\rm{n}}^{ - 1}}\). If average wavelength of solar light be taken as \(5500\,\mathop {{\rm{ }}A}\limits^{\;\;^\circ } \), then how many photons are received on the earth \(\left( {c{m^{ - 2}}\;{\rm{mi}}{{\rm{n}}^{ - 1}}} \right)\)?
(Take, \(h = 6.6 \times {10^{ - 34}}\;J - s,1\,cal = 4.2\;J\))

357832 A laser used to weld detached retains emits light with a wavelength \(652\;nm\) in pulses that are of \(20\;ms\) duration. The average power during each pulse is \(0.6\;W\). The energy in each pulse and in a single photon are