1
JEE Main 2021 (Online) 1st September Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Following plots show magnetization (M) vs magnetizing field (H) and magnetic susceptibility ($$\chi $$) vs temperature (T) graph :

JEE Main 2021 (Online) 1st September Evening Shift Physics - Magnetic Properties of Matter Question 24 English
Which of the following combination will be represented by a diamagnetic material?
A
(a), (c)
B
(a), (d)
C
(b), (d)
D
(b), (c)
2
JEE Main 2021 (Online) 22th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Choose the correct option
A
True dip is always equal to apparent dip.
B
True dip is not mathematically related to apparent dip.
C
True dip is less than the apparent dip.
D
True dip is always greater than the apparent dip.
3
JEE Main 2021 (Online) 22th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Statement I : The ferromagnetic property depends on temperature. At high temperature, ferromagnet becomes paramagnet.

Statement II : At high temperature, the domain wall area of a ferromagnetic substance increases.

In the light of the above statements, choose the most appropriate answer from the options given below :
A
Statement I is false but Statement II is true
B
Statement I is true but Statement II is false
C
Both Statement I and Statement II are false
D
Both Statement I and Statement II are true
4
JEE Main 2021 (Online) 20th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
At an angle of 30$$^\circ$$ to the magnetic meridian, the apparent dip is 45$$^\circ$$. Find the true dip :
A
$${\tan ^{ - 1}}\sqrt 3 $$
B
$${\tan ^{ - 1}}{1 \over {\sqrt 3 }}$$
C
$${\tan ^{ - 1}}{2 \over {\sqrt 3 }}$$
D
$${\tan ^{ - 1}}{{\sqrt 3 } \over 2}$$
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