AIPMT 2001 | NEET Year Wise Previous Years Questions

MCQ (Single Correct Answer)

The energy of hydrogen atom in n^th orbit is E_n then the energy in n^th orbit of singly ionised helium atom will be

MCQ (Single Correct Answer)

Energy released in nuclear fission is due to

some mass is converted into energy

total binding energy of fragments is more than the binding energy of parantal element

total binding energy of fragments is less than the binding energy of parental element

total binding energy of fragments is equal to the binding energy of parental element.

MCQ (Single Correct Answer)

The given truth table is for which logic gate

$$\matrix{ A & B & Y \cr 1 & 1 & 0 \cr 0 & 1 & 1 \cr 1 & 0 & 1 \cr 0 & 0 & 1 \cr } $$

MCQ (Single Correct Answer)

With what velocity should a particle be projected so that its height becomes equal to radius of earth?

$${\left( {{{GM} \over R}} \right)^{1/2}}$$

$${\left( {{{8GM} \over R}} \right)^{1/2}}$$

$${\left( {{{2GM} \over R}} \right)^{1/2}}$$

$${\left( {{{4GM} \over R}} \right)^{1/2}}$$