List of top Physics Questions asked in MHT CET

In a biprism experiment, source of light of wavelength 5000\AA{ is replaced by a source of 6400\AA{}. The fringe width will ______.
Two identical metal plates are given charges $q_1$ and $q_2$ ($q_2 < q_1$) respectively. If they are now brought close together to form a parallel plate capacitor with capacitance 'C', the potential difference 'V' between the plates is \dots
In Young's double slit experiment, at two points P and Q on screen, waves from slits $S_1$ and $S_2$ have a path difference of 0 and $\lambda/4$ respectively. The ratio of intensities at point P to that at Q will be \dots
The depth at which the value of acceleration due to gravity becomes ($1/n$) times the value at the surface of the earth is (R = radius of the earth) ______.
The initial average kinetic energy of the molecules was E, when a gas sample is at 27$^\circ$C. When the gas is heated to 327$^\circ$C, then the final average kinetic energy will be ______.
Two simple pendulums have (A) mass $M_1$, length $L_1$ and (B) mass $M_2$, length $L_2$. Given $M_1 = M_2$ and $L_1 = 2L_2$. If their total energies are same, then \dots
A force F is applied on a square plate of side L. If the percentage error in F is 3% and in L is 2%, then the percentage error in pressure is \dots
One of the following values of inputs A, B and C respectively gives output (Y) of the following combination of logic gates as '1' is \dots
A particle starts oscillating simple harmonically from its mean position with time period 'T'. At time $t = T/6$, the ratio of the potential energy to kinetic energy of the particle is \dots
A bob of mass 'm' is tied by a string wound on a flywheel (disc) of radius 'R' and mass 'm'. If the bob has covered a vertical distance 'h', then the angular speed of the wheel will be \dots
The moment of inertia of a solid sphere of mass 'm' and radius 'R' about its diametric axis is 'I'. Its moment of inertia about a tangent in the plane is ______.
An object of mass 'm' moving with velocity 'u' collides with another stationary object of mass 'M' and stops just after the collision. The coefficient of restitution is ______.
In the following figure magnitude of the magnetic field at the point p is ______.
Two batteries of e.m.f 4 V and 8 V with internal resistance 1$\Omega$ and 2$\Omega$ respectively are connected in series (opposing) with a 9$\Omega$ resistor. The current and potential difference between points 'P' and 'Q' is \dots
A balloon is filled at 27$^\circ$C and 1 atmospheric pressure by volume 500 m$^3$ helium gas. At -3$^\circ$C and 0.5 atmospheric pressure, the volume of helium gas will be ______.
In a single slit diffraction experiment, slit width 'a' is illuminated by wavelength '$\lambda$' and the width of central maxima is 'y'. When half the slit is covered and illuminated by $(1.5)\lambda$, the width of the central maximum becomes ______.
Seven capacitors each of capacitance 2$\mu$F are to be connected in a configuration to obtain an effective capacitance (10/11)$\mu$F. The combination is \dots
When one end of a capillary tube is dipped in water, the height of water column is 'h'. The upward force of 105 dyne due to surface tension is balanced by the weight of water column. The inner circumference of the capillary tube is ______.
Two circuits A and B are connected to identical d.c. sources each of e.m.f. 10 volt. Self-inductances are $L_A = 10$ H and $L_B = 10$ mH. The total resistance of each circuit is 40 $\Omega$. The ratio of energy consumed in circuit A and circuit B to build up the current to steady value is ______.
A boy throws a ball vertically upwards from a bridge with velocity 5 m/s. It strikes water surface after 2 s. The height of the bridge is (Take g = 10 m/s$^2$) ______.
The material used for solar cell should have band gap ______.
In Paschen series, wavelength of first line is '$\lambda_1$' and for Brackett series, wavelength of first line is '$\lambda_2$' then ratio $\frac{\lambda_1}{\lambda_2}$ is ______.
The capacity of air filled parallel plate capacitor is $C_0$. One-half of the space between the plates is filled with a dielectric constant 'K' as shown in figure. The new capacity becomes $C_n$. The ratio $C_n$ to $C_0$ is ______.
Light of incident frequency 3 times the threshold frequency is incident on a photosensitive material. If the incident frequency is made (1/4)th and intensity is tripled then the photoelectric current will ______.
Out of the following statements which is NOT the characteristics of electric lines of force? ______.