List of top Questions asked in NEET (UG)- 2004

When three identical bulbs of 60 watt 200 volt rating are connected in series to a 200-volt supply, the power drawn by them will be
The electric resistance of a certain wire of iron is R. If its length and radius are both doubled then
The unit of permittivity of free space ε0 is
A galvanometer acting as a voltmeter will have
Which one of the following statements is true for the speed 'v' and the acceleration 'a' of a particle executing simple harmonic motion
Of the diodes shown in the following diagrams, which one of the diode is reverse biased ?
A car is moving towards a high cliff. The car driver sounds a horn of the frequency 'f'. The reflected sound heard by the driver has a frequency of 2f. If 'v' is the velocity of sound then the velocity of the car, in the same velocity\ units, will be
The density of the newly discovered planet is twice that of earth. The acceleration due to gravity at the surface of the planet is equal to that at the surface of the earth. If the radius of the earth is R, the radius of the planet would be
A beam of light composed of red and green rays is incident obliquely at a point on the face of a rectangular glass slab. When coming out on the opposite parallel face, the red and green rays emerge from

A particle of mass m1 is moving with a velocity v1 and another particle of mass m2 is moving with a velocity v2. Both of them have the same momentum but their different kinetic energies are E1 and E2 respectively. f m1 > m2 then :

The refractive index of the material of a prism is 2 and its refracting angle is 30º. One of the refracting surfaces of the prism is made a mirror inwards. A beam of monochromatic light entering the prism from the other face will retrace its path after reflection form the mirrored surface if its angle of incidence on the prism is
A stone is tied to a string of length 'l' and is whirled in a vertical circle with the other end of the string as the center. At a certain instant of time, the stone is at its lowest position and has a speed of 'u'. The magnitude of the change in velocity as it reaches a position where the string is horizontal (g being acceleration due to gravity) is
In semiconductors at a room temperature
The peak voltage in the output of a half-wave diode rectifier fed with a sinusoidal signal without a filter is 10V. The d. c. component of the output voltage is

If in a nuclear fusion process, the masses of the fusing nuclei are m1 and m2 and the mass of the resultant nucleus is m3, then

According to Einstein's photoelectric equation, the graph between the kinetic energy of photoelectrons ejected and the frequency of incident radiation is

A nucleus is represented by the symbol \(_{Z}^{A}\textrm{X}\) has

The dimensions of universal gravitational constant are 
In India electricity is supplied for domestic use at 220 V. It is supplied at 110 V in the USA. If the resistance of a 60W bulb for use in India is R, The resistance of a 60W bulb for use in the USA will be
A bullet of mass 2 g is having a charge of 2 µC. Through what potential difference must it be accelerated, starting from rest, to acquire a speed of 10 m/s?
The equation of state for 5g of oxygen at a pressure P and temperature T, when occupying a volume V, will be :-
If λm denotes the wavelength at which the radioactive emission from a black body at a temperature T K is maximum, then
The ratio of the radii of gyration of a circular disc about a tangential axis in the plane of the disc and of a circular ring of the same radius about a tangential axis in the plane of the ring is
The half-life of radium is about 1600 years. Of 100g of radium existing now, 25g will remain undecayed after
MP denotes the mass of a proton and Mn that of a neutron. A given nucleus, of binding energy B, contains Z protons and N neutrons. The mass M(N, Z) of the nucleus is given by (c is the velocity of light )