1
AP EAPCET 2022 - 4th July Morning Shift
+1
-0

If $$\Delta x$$ is the uncertainty in position and $$\Delta v$$ is the uncertainty in velocity of a particle are equal, the correct expression for uncertainty in momentum for the same particle is

A
$$\frac{1}{4} \sqrt{\frac{m h}{\pi}}$$
B
$$\frac{1}{3} \sqrt{\frac{m h}{2 \pi}}$$
C
$$\frac{1}{2} \sqrt{\frac{m h}{\pi}}$$
D
$$\frac{1}{2} \sqrt{\frac{h}{m \pi}}$$
2
AP EAPCET 2022 - 4th July Morning Shift
+1
-0

The number of radial nodes and angular nodes of a $$4 f$$-orbital are respectively

A
0, 3
B
1, 2
C
2, 1
D
2, 0
3
AP EAPCET 2021 - 20th August Morning Shift
+1
-0

The number of protons, neutrons and electrons in $$_6^{13}$$C respectively are

A
6, 7, 6
B
13, 6, 6
C
6, 7, 13
D
6, 6, 13
4
AP EAPCET 2021 - 20th August Morning Shift
+1
-0

The masses of an electron, a proton and a neutron respectively will be n the ratio

A
1 : 1836.15 : 1838.68
B
1 : 1856.15 : 1858.68
C
1 : 1834.15 : 1836.68
D
1 : 1846.15 : 1848.68
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