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The amount of photoelectric emission current depends on | |
A. | frequency of incident radiation [Wrong Answer] |
B. | intensity of incident radiation [Correct Answer] |
C. | both frequency and intensity of incident radiation [Wrong Answer] |
D. | none of the above [Wrong Answer] |
View Answer
Explanation:-
Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
⇒ Consider the instructions
1 only
1 and 2 only
2 only
3 only
⇒
Both A and R are true and R is correct explanation of A
Both A and R are true but R is not a correct explanation of A
A is true but R is false
A is false but R is true
⇒ For a bipolar transistor, avalanche multiplication factor depends on __________ .
V_{CE}
V_{CB}
V_{BE}
none of these
⇒ In ferromagnetic materials, the orientation between neighbouring permanent dipoles is parallel.
TRUE
FALSE
⇒ A conductor has a cylindrical shape with a diameter d. Its resistance is 2 Ω. It is recast into a cylindrical conductor of diameter 0.3d. The resistance of new conductor is likely to be
less than 2 Ω
less than 0.6 Ω
between 2 and 100 Ω
more than 100 Ω
⇒ What would be the rms value of a sine wave having the same peak value as that of the above mentioned periodic wave?
42.2 V
19 V
38.2 V
none
⇒ A gate in which shift register is connected as shown in the figure below. How many clock pulse (after reset to '0') the contents of the shift register are '000' ag
3
6
16
8
⇒ It is required to measure pressure using LVDT. The additional device needed is
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pitot tube
bourden tube
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⇒ When x(n) is real then the Fourier series coefficients are correlated as __________ .
a_{-k} = a_{k}^{*}
a_{k} = ak^{*}
a_{k+1} = a_{k}_{*}
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⇒ Two coupled coils lie in parallel planes such that 50% of magnetic flux produced by one links the other. The coefficient of coupling is
0.5
0.25
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⇒ FIR digital filter having __________ stability than FIR filter.
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poor stability
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poor stability
⇒ A resistive microwave load with Z_{L} = 150 Ω is connected to 50 Ω coaxial line. SWR is
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equal to 3
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⇒ Which of the following is not correct?
P(A) = P(A) - 1
0 ≤ P ≤ 1
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P(A) = 1 - P(A)
⇒ In the given circuit, viewed from AB, the circuit can be reduced to an equivalent circui
5 volts source in series with 10 Ω resistor
7 volts source in series with 2.4 Ω resistor
15 volts source in series with 2.4 Ω resistor
1 volt source in series with 10 Ω resistor
⇒ The A.C. resistance of the emitter diode will be
5.05 Ω
50.5 Ω
505 Ω
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⇒
A-1, B-2, C-3
A-2, B-3, C-1
A-3, B-2, C-1
A-1, B-3, C-2
⇒ The filter circuit for feeding a wooffer has
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a capacitance in series and an inductance in parallel
a resistance in series and an inductance in parallel
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⇒ In figure, the current through 2 Ω resistanc
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-2A
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⇒ Modelling error may occur due to
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inaccuracy of parameters
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⇒ In phase modulation, the phase deviation is
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remains constant while amplitude and frequency of signal varies
proportional to the amplitude of the signal and independent of the frequency
none of the above
⇒ A person with a receiver is 5 km away from the transmitter. What is the distance that this person must move further to detect at 3 dB decrease in signal strength?
942 m
2070 m
4978 m
5320 m
⇒ A signal x(n) = sin(ω_{0}n + φ) is the input to a linear time invariant system having a frequency response H(e^{jω}) If the O/P of the system is Ax(n -n_{0}), then the general form of H(e^{jω}) will be
- n_{0}ω_{0} + β for any arbitrary real β
- n_{0}ω_{0} + 2pk for any arbitrary integer k
n_{0}ω_{0} + 2pk for any arbitrary integer k
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⇒ Standard AM radio broadcasts are confined to
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HF
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⇒ Generally, the gain of a transistor amplifier falls at high frequency due to the
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⇒ Consider the following statements.
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⇒ Two thyristors of the same rating and specifications
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⇒ The current flow in a semiconductor is due to
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⇒ Dielectric strength of polythene is around
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40 kV/mm
100 kV/mm
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⇒ Which of the following circuits cannot be demodulate SSB?
Product detector
Balanced modulator
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BFO
⇒ Figure sho
JFET
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⇒ Consider the instructions
- MOV M, B
- OUT 4
- LDA X
Which of the above uses IO/W cycle?1 only
1 and 2 only
2 only
3 only
⇒
Assertion (A): A decrease in temperature increases the reverse saturation current in a p-n diode.
Reason (R): When a diode is reverse biased surface leakage current flows.
Both A and R are true and R is correct explanation of A
Both A and R are true but R is not a correct explanation of A
A is true but R is false
A is false but R is true
⇒ For a bipolar transistor, avalanche multiplication factor depends on __________ .
V_{CE}
V_{CB}
V_{BE}
none of these
⇒ In ferromagnetic materials, the orientation between neighbouring permanent dipoles is parallel.
TRUE
FALSE
⇒ A conductor has a cylindrical shape with a diameter d. Its resistance is 2 Ω. It is recast into a cylindrical conductor of diameter 0.3d. The resistance of new conductor is likely to be
less than 2 Ω
less than 0.6 Ω
between 2 and 100 Ω
more than 100 Ω
⇒ What would be the rms value of a sine wave having the same peak value as that of the above mentioned periodic wave?
42.2 V
19 V
38.2 V
none
⇒ A gate in which shift register is connected as shown in the figure below. How many clock pulse (after reset to '0') the contents of the shift register are '000' ag
3
6
16
8
⇒ It is required to measure pressure using LVDT. The additional device needed is
strain gauge
pitot tube
bourden tube
rotameter
⇒ When x(n) is real then the Fourier series coefficients are correlated as __________ .
a_{-k} = a_{k}^{*}
a_{k} = ak^{*}
a_{k+1} = a_{k}_{*}
a_{-k+1} = a_{k}^{*}
⇒ Two coupled coils lie in parallel planes such that 50% of magnetic flux produced by one links the other. The coefficient of coupling is
0.5
0.25
0.125
0.5
⇒ FIR digital filter having __________ stability than FIR filter.
good stability
poor stability
stability not guarnteed
poor stability
⇒ A resistive microwave load with Z_{L} = 150 Ω is connected to 50 Ω coaxial line. SWR is
more than 3
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equal to 3
either (a) or (c)
⇒ Which of the following is not correct?
P(A) = P(A) - 1
0 ≤ P ≤ 1
If A and B are mitual exclusive then P(A + B) = P(A) + P(B)
P(A) = 1 - P(A)
⇒ In the given circuit, viewed from AB, the circuit can be reduced to an equivalent circui
5 volts source in series with 10 Ω resistor
7 volts source in series with 2.4 Ω resistor
15 volts source in series with 2.4 Ω resistor
1 volt source in series with 10 Ω resistor
⇒ The A.C. resistance of the emitter diode will be
5.05 Ω
50.5 Ω
505 Ω
5050 Ω
⇒
Match the following:
List I (Processor in C) | List II (Output) | ||
---|---|---|---|
A. | Preprocessor | 1. | Source code file |
B. | Compiler | 2. | Executable code in machine language |
C. | Linker | 3. | Relocatable object code |
A-1, B-2, C-3
A-2, B-3, C-1
A-3, B-2, C-1
A-1, B-3, C-2
⇒ The filter circuit for feeding a wooffer has
an inductance in series and capacitance in parallel
a capacitance in series and an inductance in parallel
a resistance in series and an inductance in parallel
an inductance in series and a resistance in parallel
⇒ In figure, the current through 2 Ω resistanc
zero
-2A
2A
1A
⇒ Modelling error may occur due to
neglecting the nonlinear characteristics of plant
inaccuracy of parameters
change of plant characteristics with time
any of the above
⇒ In phase modulation, the phase deviation is
proportional to the amplitude of the signal and varies with frequency
remains constant while amplitude and frequency of signal varies
proportional to the amplitude of the signal and independent of the frequency
none of the above
⇒ A person with a receiver is 5 km away from the transmitter. What is the distance that this person must move further to detect at 3 dB decrease in signal strength?
942 m
2070 m
4978 m
5320 m
⇒ A signal x(n) = sin(ω_{0}n + φ) is the input to a linear time invariant system having a frequency response H(e^{jω}) If the O/P of the system is Ax(n -n_{0}), then the general form of H(e^{jω}) will be
- n_{0}ω_{0} + β for any arbitrary real β
- n_{0}ω_{0} + 2pk for any arbitrary integer k
n_{0}ω_{0} + 2pk for any arbitrary integer k
- n_{0}ω_{0} + φ
⇒ Standard AM radio broadcasts are confined to
MF
HF
VHF
UHF
⇒ Generally, the gain of a transistor amplifier falls at high frequency due to the
internal capacitance of the device
coupling capacitor at the I/P
skin effect
coupling capacitor at the O/P
⇒ Consider the following statements.
- Etching
- Exposure to UV radiation
- Stripping
- Developing
2, 4, 3, 1
2, 4, 1, 3
4, 2, 1, 3
3, 2, 3, 1
⇒ Two thyristors of the same rating and specifications
will have equal on state voltage drops
will have equal forward blocking voltage for the same current
will have different on state voltage drops
may have equal or different on state voltage drops and equal or different forward blocking voltage's for the same current
⇒ The current flow in a semiconductor is due to
holes
electrons
holes and electrons
holes, electrons and ions
⇒ Dielectric strength of polythene is around
10 kV/mm
40 kV/mm
100 kV/mm
140 kV/mm
⇒ Which of the following circuits cannot be demodulate SSB?
Product detector
Balanced modulator
Phase discriminator
BFO
⇒ Figure sho
JFET
n-channel MOSFET
p-channel MOSFET
none of the above