Physics questions
20027 published questions with worked solutions.
- Which one of the following statements is WRONG in the context of X-rays generated from a X-ray tube?
- Two beams of red and violet colours are made to pass separately through a prism (angle of the prism is 60°). In the position of...
- An ideal gas is expanding such that PT^2 = constant. The coefficient of volume expansion of the gas is
- Two balls, having linear momenta p _1 = p , and p _2 = -p , , undergo a collision in free space. There is no external force...
- STATEMENT-1: In a Meter Bridge experiment, null point for an unknown resistance is measured. Now, the unknown resistance is put...
- STATEMENT-1: An astronaut in an orbiting space station above the Earth experiences weightlessness. STATEMENT-2: An object moving...
- STATEMENT-1: Two cylinders, one hollow (metal) and the other solid (wood) with the same mass and identical dimensions are...
- A sonometer wire of length 1.5 m is made of steel. The tension in it produces an elastic strain of 1%. What is the fundamental...
- A projectile is given an initial velocity of ( i +2 j ) m/s, where i is along the ground and j is along the vertical. If g = 10...
- The supply voltage to a room is 120 V. The resistance of the lead wires is 6Ω. A 60 W bulb is already switched on. What is the...
- This question has Statement-I and Statement-II. Of the four choices given after the statements, choose the one that best...
- Two charges, each equal to q, are kept at x = – a and x = a on the x-axis. A particle of mass m and charge q_0 = q 2 is placed at...
- This question has Statement-I and Statement-II. Of the four choices given after the statements, choose the one that best...
- Two capacitors C_1 and C_2 are charged to 120 V and 200 V respectively. It is found that by connecting them together the...
- What is the minimum energy required to launch a satellite of mass m from the surface of a planet of mass M and radius R in a...
- A diode detector is used to detect an amplitude modulated wave of 60% modulation by using a condenser of capacity 250 pico farad...Not in JEE or NEET syllabus
- Let [ε₀] denote the dimensional formula of the permittivity of vacuum. If M = mass, L = length, T = time and A = electric...
- The magnetic field in a traveling electromagnetic wave has a peak value of 20 nT. The peak value of electric field strength is -
- A gas based geyser heats water flowing at the rate of 5.0 litres per minute from 27°C to 87°C. The rate of consumption of the gas...
- A conducting circular loop of area 1.0 m^2 is placed perpendicular to a magnetic field which varies as B = (100t) Tesla. If the...
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