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

The property which is not of an electromagnetic wave travelling in free space is that:

A
They are transverse in nature
B
The energy density in electric field is equal to energy density in magnetic field
C
They travel with a speed equal to $$\frac{1}{\sqrt{\mu_0 \varepsilon_0}}$$
D
They originate from charges moving with uniform speed
2
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

A small telescope has an objective of focal length $$140 \mathrm{~cm}$$ and an eye piece of focal length $$5.0 \mathrm{~cm}$$. The magnifying power of telescope for viewing a distant object is:

A
34
B
28
C
17
D
32
3
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

Two heaters $$A$$ and $$B$$ have power rating of $$1 \mathrm{~kW}$$ and $$2 \mathrm{~kW}$$, respectively. Those two are first connected in series and then in parallel to a fixed power source. The ratio of power outputs for these two cases is:

A
$$1: 1$$
B
$$2: 9$$
C
$$1: 2$$
D
$$2: 3$$
4
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

The following graph represents the $$T$$-$$V$$ curves of an ideal gas (where $$T$$ is the temperature and $$V$$ the volume) at three pressures $$P_1, P_2$$ and $$P_3$$ compared with those of Charles's law represented as dotted lines.

NEET 2024 Physics - Heat and Thermodynamics Question 4 English

Then the correct relation is :

A
$$P_3>P_2>P_1$$
B
$$P_1>P_3>P_2$$
C
$$P_2>P_1>P_3$$
D
$$P_1>P_2>P_3$$
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