Q. 23 SECTION-E

Asha’s uncle was

Answer :

(a) Asha and her family are quite generous and caring. Asha is quick to help others in distress. The doctor is that of caring and understanding nature.


(b) Magnetic Resonance Imaging utilizes high magnitude magnetic fields to map soft tissues of the body. To produce such magnetic fields, expensive electromagnets are required and hence the cost is high.


(c) We know that the force is given by



Given,




Maximum force occurs when the velocity of proton is perpendicular to the field.




While minimum force occurs when the velocity of proton is parallel to the field.



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