SaraNextGen Study App [2023-24]
Last Updated On [03-11-2023]

From a uniform disc of mass  and radius  a concentric disc of radius  is cut out. For the remaining annular disc:  is the moment of inertia about axis  about ‘2’,  about ‘3’ and  about ‘4’. Axis ‘1’ and ‘2’ are perpendicular to the disc and ‘3’ and ‘4’ are in the plane of the disc

Axis’2’, ’3’ and ‘4’ intersect at a common point

Match the following

Column-I

Column- II

(A)

 is equal to

(p)

(B)

 is equal to

(q)

(C)

 is equal to

(r)

(D)

 is equal to

(s)

None of these

CODES :

 

A

B

C

D

 

 

a)

D

c

b

a

 

 

b)

c

a

a

b

 

 

c)

b

a

c

d

 

 

d)

a

b

c

d

 

 


Question ID - 101078 :-

From a uniform disc of mass  and radius  a concentric disc of radius  is cut out. For the remaining annular disc:  is the moment of inertia about axis  about ‘2’,  about ‘3’ and  about ‘4’. Axis ‘1’ and ‘2’ are perpendicular to the disc and ‘3’ and ‘4’ are in the plane of the disc

Axis’2’, ’3’ and ‘4’ intersect at a common point

Match the following

Column-I

Column- II

(A)

 is equal to

(p)

(B)

 is equal to

(q)

(C)

 is equal to

(r)

(D)

 is equal to

(s)

None of these

CODES :

 

A

B

C

D

 

 

a)

D

c

b

a

 

 

b)

c

a

a

b

 

 

c)

b

a

c

d

 

 

d)

a

b

c

d

 

 

1 Answer
5876 Votes
3537

Answer Key : (b) -

(b)

Total mass :

Mass of cutout portion;

Also



Next Question :

Two points P and Q lie on either side of an axis xy as shown. It is desired to produce an image of P at Q using a spherical mirror with xy as the optic axis. The spherical mirror must be

(a)

converging and positioned with left of P

(b)

diverging and positioned with right of Q

(c)

diverging

(d)

converging positioned to the right of Q


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