1
AP EAPCET 2024 - 22th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

In the circuit shown in the figure, neglecting the source resistance, the voltmeter and ammeter readings respectively are

AP EAPCET 2024 - 22th May Evening Shift Physics - Current Electricity Question 1 English
A
$0 \mathrm{~V}, 8 \mathrm{~A}$
B
$150 \mathrm{~V}, 3 \mathrm{~A}$
C
$150 \mathrm{~V}, 6 \mathrm{~A}$
D
$0 \mathrm{~V}, 3 \mathrm{~A}$
2
AP EAPCET 2024 - 22th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The radiation of energy $E$ falls normally on a perfectly reflecting surface. The momentum transferred to the surface is
A
$\frac{E}{C}$
B
$\frac{2 E}{c}$
C
$\frac{E}{c^2}$
D
$\frac{2 E}{c^2}$
3
AP EAPCET 2024 - 22th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Light of wavelength $4000\mathop {\rm{A}}\limits^{\rm{o}}$ is incident on a sodium surface for which the threshold wavelength of photoelectrons is $5420 \mathop {\rm{A}}\limits^{\rm{o}}$. The work function of sodium is

A
4.58 eV
B
2.29 eV
C
1.14 eV
D
0.57 eV
4
AP EAPCET 2024 - 22th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The principle quantum number $n$ corresponding to the exited state of $\mathrm{He}^{+}$ion. If on transition to the ground state two photons in succession with wavelength $1026 \mathop {\rm{A}}\limits^{\rm{o}}$ and $304 \mathop {\rm{A}}\limits^{\rm{o}}$ are emitted $\left(R=1.097 \times 10^{-7} \mathrm{~m}^{-1}\right)$

A
2
B
3
C
6
D
4
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