List of top Questions asked in NEET (UG)- 1998

Three equal resistors connected in series across a source of e.m.f. together dissipate 10 watt of power. What will be the power dissipated in watt if the same resistors are connected in parallel across the same source of e.m.f. ?
A shell, in flight, explodes into four unequal parts. Which of the following is conserved?
The Activation energy of a chemical reaction can be determined by
Which one is not paramagnetic among the following? [at. no. of $Be = 4, N e = 10$ , $A s= 33,Cl= 17$]
A vehicle, with a horn of frequency n is moving with a velocity of 30 m/s in a direction perpendicular to the straight line joining the observer and the vehicle. The observer perceives the sound to have a frequency $n+n_1$. Then (if the sound velocity in air is 300 m/s)
The lower jaw in mammals is made up of
A standing wave having 3 nodes and 2 antinodes is formed between two atoms having a distance $1.21$ $�$ between them. The wavelength of the standing wave is
Two simple pendulums of length 5 m and 20 m respectively are given small linear displacement in one direction at the same time. They will again be in the phase when the pendulum of shorter length has completed - oscillations.
Total number of bones in each limb of a man is