Mechanics
Units & Measurement and Dimensions
MCQ (Single Correct Answer)
Motion in a Straight Line
MCQ (Single Correct Answer)
Work, Energy and Power
MCQ (Single Correct Answer)
Center of Mass and Collision
MCQ (Single Correct Answer)
Simple Harmonic Motion
MCQ (Single Correct Answer)
Heat and Thermodynamics
MCQ (Single Correct Answer)
Electromagnetism
Current Electricity
MCQ (Single Correct Answer)
Moving Charges and Magnetism
MCQ (Single Correct Answer)
Magnetism and Matter
MCQ (Single Correct Answer)
Electromagnetic Induction
MCQ (Single Correct Answer)
Alternating Current
MCQ (Single Correct Answer)
Electromagnetic Waves
MCQ (Single Correct Answer)
Modern Physics
Dual Nature of Radiation
MCQ (Single Correct Answer)
Semiconductor Devices and Logic Gates
MCQ (Single Correct Answer)
Communication Systems
MCQ (Single Correct Answer)
1
KCET 2018
MCQ (Single Correct Answer)
+1
-0
The number of photons falling per second on a completely darkened plate to produce a force of $6.62 \times 10^{-5} \mathrm{~N}$ is $n$. If the wavelength of the light falling is $5 \times 10^{-7} \mathrm{~m}$, then $n=$ $\ldots \ldots \ldots \times 10^{22}$. (Take, $h=6.62 \times 10^{-34} \mathrm{~J}-\mathrm{s}$ )
A
1
B
5
C
0.2
D
3.3
2
KCET 2018
MCQ (Single Correct Answer)
+1
-0
The maximum kinetic energy of emitted photoelectrons depends on
A
intensity of incident radiation
B
frequency of incident radiation
C
speed of incident radiation
D
number of photons in the incident radiation
3
KCET 2018
MCQ (Single Correct Answer)
+1
-0
A proton and an $\alpha$-particle are accelerated through the same potential difference $V$. The ratio of their de-Broglie wavelength is
A
$\sqrt{2}$
B
$2 \sqrt{2}$
C
$\sqrt{3}$
D
$2 \sqrt{3}$
4
KCET 2017
MCQ (Single Correct Answer)
+1
-0
From the following graph of photo current against collector plate potential, for two different intensities of light $I_1$ and $I_2$, one can conclude KCET 2017 Physics - Dual Nature of Radiation Question 3 English
A
$I_1=I_2$
B
$I_1>I_2$
C
$I_1
D
Comparison is not possible
KCET Subjects