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

The maximum elongation of a steel wire of $$1 \mathrm{~m}$$ length if the elastic limit of steel and its Young's modulus, respectively, are $$8 \times 10^8 \mathrm{~N} \mathrm{~m}^{-2}$$ and $$2 \times 10^{11} \mathrm{~N} \mathrm{~m}^{-2}$$, is:

A
4 mm
B
0.4 mm
C
40 mm
D
8 mm
2
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

NEET 2024 Physics - Magnetism and Matter Question 5 English

In the above diagram, a strong bar magnet is moving towards solenoid-2 from solenoid-1. The direction of induced current in solenoid-1 and that in solenoid-2, respectively, are through the directions:

A
AB and DC
B
BA and CD
C
AB and CD
D
BA and DC
3
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

The mass of a planet is $$\frac{1}{10}$$th that of the earth and its diameter is half that of the earth. The acceleration due to gravity on that planet is:

A
$$19.6 \mathrm{~m} \mathrm{~s}^{-2}$$
B
$$9.8 \mathrm{~m} \mathrm{~s}^{-2}$$
C
$$4.9 \mathrm{~m} \mathrm{~s}^{-2}$$
D
$$3.92 \mathrm{~m} \mathrm{~s}^{-2}$$
4
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List I with List II:

List I
(Spectral Lines of Hydrogen for transitions from)
List II
(Wavelengths (nm))
A. $$
n_2=3 \text { to } n_1=2
$$
I. 410.2
B. $$
n_2=4 \text { to } n_1=2
$$
II. 434.1
C. $$
n_2=5 \text { to } n_1=2
$$
III. 656.3
D. $$
n_2=6 \text { to } n_1=2
$$
IV. 486.1

Choose the correct answer from the options given below:

A
A-II, B-I, C-IV, D-III
B
A-III, B-IV, C-II, D-I
C
A-IV, B-III, C-I, D-II
D
A-I, B-II, C-III, D-IV
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