List of top Physics Questions asked in COMEDK UGET

Woollen clothes keep the body warm because they
A charge situated at a certain distance along the axis of an electric dipole experience a force $F$. If the distance of the charge from the dipole is doubled, the force acting on it will become
A DC source of $30 \, V$ is connected across two resistors of $200\, \Omega$ each connected in series. A voltmeter of resistance $200 \, \Omega$ is connected across a resistor. It reads
'Raman frequencies' refers to
If $2.2 \, kW$ power is transmitted through a $10 \, W$ line at $22 \, kV$, power loss in the form of heat will be
In Newton ring experiment, monochromatic light is replaced by white light. Then
In a spectrometer experiment, " As wavelength of a spectral line increases, deviation also increases". This is true
In a region a stationary charge does not experience a force. It is certain that in this region
Fine structure of spectral lines is accounted in Sommerfeld atom model by considering
A train moving with a speed of 36 kmph takes 14 s to cross a bridge of length 100 m. The length of the train is
Escape velocity from Earth is about 11 km/s. The escape velocity from a planet, 4 times the size of the Earth with same mean density is
Force per unit length between long parallel wires in the circuit is $3.6 \times 10^{-3} \, N \, m^{-1}$. Resistance of the circuit is
A charge $Q$ is to be divided into two parts, $q$ and $(Q- q)$, such that force between them is maximum. Then
In an interference experiment, when a glass plate of refractive index 1.5 is introduced in the path of one of the beams; fringes are displaced by $x$. When the glass plate is replaced by another transparent plate of same thickness, shift in the fringe is $ \frac{3}{2} x .$ Refractive index of $2^{nd}$ transparent plate is
The normal atmospheric pressure can support water column of height L which is, (given density of mercury = $13600\, kg\, m^{-3}$)
If the diameter of a capillary tube is doubled, the rate of flow ofliquid increases
A bulb is kept at a depth h inside water of refractive index $' n' $. Area of the bright patch on the water surface is
The ratio of forces between two point charges in the two cases when their separation is halved and when it is doubled, is
To increase the angular width of interference fringes
The speed of electromagnetic radiation in vacuum
The kinetic energy of the photoelectrons increases by $0.52 \, eV$ when the wavelength of incident light is changed from $500 \, nm$ to another wavelength which is approximately
$A, B$ and $C$ are three voltmeters of resistances $4000 \, \Omega , 6000 \Omega$ and $12000 \Omega$. When a potential difference? is applied between $X$ and $Y$, voltmeter readings are $V_A, V_B$ and $V_C$. Then
The capacitance of the Earth considered as a conducting sphere of radius $6408 \, km$ is
Two points separated by a distance of 0.1 mm can just be observed using a microscope when light $\lambda = 600\: nm$ is used. If light of wavelength 480 nm is used, this limit of resolution becomes
In Young's double slit experiment, intensity at a bright fringe is $I_0$. One of the slits is closed. Intensity at the same position is