The only correct statement on that list is <em>choice-C</em>: If a positively charged rod is brought close to a positively charged object, the two objects will repel.
Explanation:
a triple beam balance can measure the mass of one slice of bread
Muscles that are under your conscious control are called voluntary muscles, while muscles that are not under your conscious control are called involuntary muscles
Answer:
Explanation:
Given
Overall magnification 
One lens magnification is 
suppose the magnification of other lens is 
A compound lens is made up of series of lenses either of same or of different magnification so
is given by
If lens is replaced by 
lens then total magnification is
