1
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1
Change Language

If the ratio of relative permeability and relative permittivity of a uniform medium is $$1: 4$$. The ratio of the magnitudes of electric field intensity $$(E)$$ to the magnetic field intensity $$(H)$$ of an EM wave propagating in that medium is (Given that $$\sqrt{\frac{\mu_0}{\varepsilon_0}}=120 \pi$$):

A
$$30 \pi: 1$$
B
$$1: 120 \pi$$
C
$$60 \pi: 1$$
D
$$120 \pi: 1$$
2
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1
Change Language

The value of electric potential at a distance of $$9 \mathrm{~cm}$$ from the point charge $$4 \times 10^{-7} \mathrm{C}$$ is [Given $$\frac{1}{4 \pi \varepsilon_0}=9 \times 10^9 \mathrm{~N} \mathrm{~m}^2 \mathrm{C}^{-2}$$] :

A
$$4 \times 10^2 \mathrm{~V}$$
B
$$44.4 \mathrm{~V}$$
C
$$4.4 \times 10^5 \mathrm{~V}$$
D
$$4 \times 10^4 \mathrm{~V}$$
3
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1
Change Language

The displacement of a travelling wave $$y=C \sin \frac{2 \pi}{\lambda}$$ (at $$-x$$) where $$t$$ is time, $$x$$ is distance and $$\lambda$$ is the wavelength, all in S.I. units. Then the frequency of the wave is

A
$$\frac{2 \pi \lambda}{a}$$
B
$$\frac{2 \pi a}{\lambda}$$
C
$$\frac{\lambda}{a}$$
D
$$\frac{a}{\lambda}$$
4
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1
Change Language

An object of mass $$100 \mathrm{~kg}$$ falls from point $$A$$ to $$B$$ as shown in figure. The change in its weight, corrected to the nearest integer is ($$R_E$$ is the radius of the earth)

NEET 2024 (Re-Examination) Physics - Gravitation Question 1 English

A
49 N
B
89 N
C
5 N
D
10 N
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