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in Physics by (61.9k points)

While discussing with her aunt one day, Shalini planned to gift a microwave oven to her aunt so that she should get some relief from tough household activities. Shalini requested her aunt and made her agreed for the gift by telling her its details and significance. 

(a) What are the values shown by Shalini ?  

(b) How does a microwave oven work ? Explain briefly.

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(a) The values shown by Shalini are :

(i) high degree of general awareness/

(ii) ability to take quick decisions,

(iii) concern for her aunt,

(iv) helping and caring nature

(b) In microwave oven, microwaves of required wavelength get strongly absorbed by water due to its energy which heated the water. Since every food items has lot of water, so they can be heated and cooked quickly in a microwave over. With this, the microwaves heat the food item completely, not simply from outside as in case of normal oven.

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