List of top Questions asked in MHT CET

What is the fundamental frequency of an open organ pipe with length \( L \) and speed of sound \( v \)?
What is the angular frequency \( \omega \) of a simple harmonic oscillator with mass \( m \) and spring constant \( k \)?
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:
A wheel of diameter 20 cm is rotating at 600 rpm. The linear velocity of a particle at its rim is:
If a copper rod carries a direct current, the magnetic field associated with the current will be?
A pendulum having a negatively charged metal knob is oscillating on a positively charged surface. The time of the pendulum will be:
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.
Which of the following correctly represents the AND logic gate?
What is the working principle of a cyclotron?
What is the polymer of elastomer?
Which one of the following is vinyl alcohol?
Which of the following does not obey the octet rule?
Alkyl halide and aryl halide react in the presence of sodium metal and dry ether. The name of the reaction is?
Which element has the highest oxidizing potential?
Which of the following has the lowest boiling point?
What is the chemical formula of glycerol?
A metallic sphere of radius \( R \) is charged to a potential \( V \). The magnitude of the electric field at a distance \( r \, (r > R) \) from the center of the sphere is:
The coefficient of performance of a refrigerator is 5. If the temperature inside the freezer is \( -20^\circ \mathrm{C} \), what is the temperature of the surroundings to which it rejects heat?
What is the output of a NAND gate when both inputs are HIGH?
What is the expression for the time period of a satellite orbiting Earth at a height \( h \) above the Earth's surface?
In a meter bridge experiment, a resistance of \( 10 \, \Omega \) is balanced by a resistance \( X \) with a balance point at \( 40 \, \mathrm{cm} \). What is the value of \( X \)?
Two charges \( q_1 = 2 \, \mu \mathrm{C} \) and \( q_2 = -3 \, \mu \mathrm{C} \) are placed 10 cm apart in a vacuum. What is the magnitude and direction of the force between them?
Which elements have the same magnetic moment \( \mu \)?
For irreversible expansion of an ideal gas under isothermal conditions, which of the following is correct?
The atomic radius of silver (Ag) is closest to which of the following values?