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What should be my timetable to study for the icse board exams from now- the 10 subjects being eng lit.,eng lang,maths,phy,chem,bio,h/c,geo,hindi and computer applications?
How many hours should i study In a day ?from 10 days i m not being able to study for even a few hours because of tension ,so i have asked your help to help me prepare timetable ? And what should my preparations be before the exam in these 18 to 19 days ?
in the above query the heteroatom bromine should only be considered as functional group and should be given the least number, why in the case the double bond is given the least number??
i can`t understand. pls explain
in an experiment the focal length of a convex lens a student obtained a sharp and inverted image of a distant tree on the screen behind the lens.she then removed the screen and looked through lens in the direction of the object .she will see
a) an inverted image of the tree at the focus of the lens
b)no image as the screen is removed
c) a blurered image on the wall of laboratory
d0 an erect image of the tree on the lens
pls explain me the answer elaborately