Answer:
4.2591 cm
Explanation:
We have given focal length of the lens f=6.91 cm
Object distance u =11.1 cm
We have to find the image distance that is v
For the lens we know that
So
Answer:
G is a universal constant of gravitation whose unit is Newton per meter square per kilogram square (Nm^2kg^-2)
Answer:
This means that the mass of one mole of aluminium atoms will be 26.982 g . As you know, one mole of any element contains exactly 6.022⋅1023 atoms of that element. This means that if you know how many moles of aluminium you have in 4.55 g , you can use Avogadro's number to find the number of atoms.
Explanation:
Answer:
the first one by using second person point of view
Definitely THAT answer.
(This is sarcasm, as you gave no multiple choice answers.)