List of top Physics Questions

Which of the following correctly represents the AND logic gate?
Find the ratio of K.E. and P.E. when a particle performs SHM and is at \( \frac{1}{n} \) times its amplitude from the mean position.
A pendulum having a negatively charged metal knob is oscillating on a positively charged surface. The time of the pendulum will be:
If a copper rod carries a direct current, the magnetic field associated with the current will be?
A wheel of diameter 20 cm is rotating at 600 rpm. The linear velocity of a particle at its rim is:
Rate of cooling of a body is \(0.2^\circ \text{C/min}\) when excess temperature is \(20^\circ \text{C}\). The proportionality constant \( k \) is:
What is the angular frequency \( \omega \) of a simple harmonic oscillator with mass \( m \) and spring constant \( k \)?
What is the fundamental frequency of an open organ pipe with length \( L \) and speed of sound \( v \)?
Which of the following is NOT a layer of the urinary bladder?
In a series LCR circuit connected to an AC source, at resonance, the current is maximum because:
In Young's double slit experiment, if the distance between the slits is doubled while keeping the wavelength and the distance to the screen constant, the fringe spacing will:
What is the equivalent logic gate when the output of an AND gate is passed through a NOT gate?
Convert 72 degrees Celsius to Fahrenheit.
What is the oxidation state of Fe in \( \mathrm{Fe_3O_4} \)?
Which of the following is ferromagnetic:
Find the solubility product of \( \mathrm{Ba(OH)_2} \)?
Where \( S = 1.73 \times 10^{-14} \).
The first member of the Paschen series in the hydrogen spectrum is of wavelength \( 18800 \, \text{Å} \). What is the short wavelength limit of the Paschen series?
A coil has a resistance of \( 30 \, \Omega \) and an inductive reactance of \( 20 \, \Omega \) at 50 Hz frequency. If an AC source of 200 V and 100 Hz is connected across the coil, then how much current will flow through the coil?
A rocket of initial mass 6000 kg ejects gases at a constant rate of 16 kg/s with a constant relative speed of 11 km/s. What is the acceleration of the rocket one minute after the blast?
Which of the following is a logic gate that gives an output of 1 when the inputs are different?
What is the overtone of a vibrating string?
How do you find the amplitude of a simple harmonic oscillator?
What is the ratio \( \frac{C_p}{C_v} \) for a monatomic and diatomic gas?
The ideal gas equation is given by \( PV = nRT \). Which of the following statements is correct for an ideal gas?
The root mean square velocity (\(v_{\text{rms}}\)) of a gas is given by: