1
JEE Main 2023 (Online) 1st February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Which of the following frequencies does not belong to FM broadcast ?

A
$$106 ~\mathrm{MHz}$$
B
$$89 ~\mathrm{MHz}$$
C
$$64 ~\mathrm{MHz}$$
D
$$99 ~\mathrm{MHz}$$
2
JEE Main 2023 (Online) 1st February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The equivalent resistance between $$A$$ and $$B$$ of the network shown in figure;

JEE Main 2023 (Online) 1st February Morning Shift Physics - Current Electricity Question 69 English

A
21 R
B
$$\frac{8}{3}$$ R
C
11$$\frac{2}{3}$$ R
D
14 R
3
JEE Main 2023 (Online) 1st February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

If earth has a mass nine times and radius twice to that of a planet P. Then $$\frac{v_{e}}{3} \sqrt{x} \mathrm{~ms}^{-1}$$ will be the minimum velocity required by a rocket to pull out of gravitational force of $$\mathrm{P}$$, where $$v_{e}$$ is escape velocity on earth. The value of $$x$$ is

A
1
B
3
C
2
D
18
4
JEE Main 2023 (Online) 1st February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

A steel wire with mass per unit length $$7.0 \times 10^{-3} \mathrm{~kg} \mathrm{~m}^{-1}$$ is under tension of $$70 \mathrm{~N}$$. The speed of transverse waves in the wire will be:

A
$$10 \mathrm{~m} / \mathrm{s}$$
B
$$50 \mathrm{~m} / \mathrm{s}$$
C
$$100 \mathrm{~m} / \mathrm{s}$$
D
$$200 \pi\mathrm{~m} / \mathrm{s}$$
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