4. What can be achieved / can be prevented?
a. Drinking boiled and filtered water.
b. Avoiding smoking and alcoholism.
c. Regular balanced diet and exercise.
d. Proper checking of blood before blood
donation.
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An object is kept in front of the convex mirror on the principal axis as shown in figure. Radius of curvature of the mirror is 40cm, then the position of the image
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❥ᴘʀᴏᴘᴇʀ ᴄʜᴇᴄᴋɪɴɢ ᴏғ ʙʟᴏᴏᴅ ʙᴇғᴏʀᴇ ʙʟᴏᴏᴅ ᴅᴏɴᴀᴛɪᴏɴ.
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