List of top Questions asked in WBJEE JENPAS UG

The resistance of a piece of metal wire is R. On which of the following parameters of the wire or its material, the value of R does not depend upon ?
A train track is laid with 100 m pieces of steel rails. If coefficient of linear expansion of steel is 11 x 10-6, what must be the minimum gap between two pieces of rails so that the train can run safely between 0°C and 50°C ?
What is the volume of 2 g of oxygen at normal pressure and temperature ?
Diamond is an allotropic form of
The speed of light in vacuum is
When a running bus stops suddenly, passengers tend to lean towards the front of the bus. It is related to
In human body, blood is cleaned by
In industrial production of ammonia from nitrogen and hydrogen gases, a mixture of potassium oxide and aluminium oxide is used for the purpose of:
Approximate velocity of sound in air at room temperature is
What is the lowest possible temperature?
resistance of the circuit
What is the equivalent resistance of the circuit shown at its terminals A-B?
Which is the gas that burns in carbide lamp?
A thermally insulated room has only one square glass window of sides 1 m and thickness 5 mm through which heat can transfer in and out. If temperature difference between inside and outside the room is only 1°C then what will be the rate of heat energy transfer ? (Thermal conductivity of glass is 0.0025 )
A parallel beam of light falls on a convex lens of focal length 15 cm along its axis. The emerging rays falls on a concave lens of focal length 5 cm kept 10 cm behind the convex lens. Then which of the following statements is true about the rays finally emerging out of the concave lens?
A sealed vessel contains some gas at normal pressure and temperature. What will be the pressure of the gas at -273°C ?
Approximately how much potassium chlorate need to be heated to obtain 22.4 litre of oxygen at N.T.P. ?
A body of mass m is thrown vertically upward from the Earth's surface with an initial velocity u. At what height, magnitudes of its kinetic energy and potential energy will be same ?
Sun Earth :: Earth: ?
Select the most suitable one from below to fill in the blank above.
Bowl Soup :: Plate :?
Find the odd one in the following four figures.
Choose the letter that can replace the question mark in the series: A, D, I, P, ?
Choose the number that can replace the question mark in the series: 1, 8, 27, ?
\(\frac{(1000)^6}{10^{15}}=?\)
Which figure best represents the relationship among the classes Men, Authors, Teachers ?
A city has a population of 3,00,000 out of which 1,80,000 are males. 50% of the population is literate. If 70% of the males are literate, the number of literate females is