Which one is the correct option depicting the two different thermodynamic processes?
Which one is the correct option depicting the two different thermodynamic processes? a. (c) and (d) b. (b) and (c)... View Article
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The four arms of a Wheatstone bridge have resistances as shown in the figure.
The four arms of a Wheatstone bridge have resistances as shown in the figure. A galvanometer of 15 resistance is... View Article
Which one of the following will be the output of the given circuit?
Which one of the following will be the output of the given circuit? a. NAND Gate b. AND Gate c.... View Article
The atomic hydrogen emits a line spectrum consisting of various series. Which series of hydrogen atomic spectra lie in the visible region?
a. Balmer series b. Lyman series c. Brackett series d. Paschen series Answer: (a) Balmer series of hydrogen atomic spectrum... View Article
Two identical photocathodes receive the light of frequencies f1 and f2 respectively.
Two identical photocathodes receive the light of frequencies f1 and f2 respectively. If the velocities of the photo-electrons coming out... View Article
An object is located 2 km beneath the surface of the water.
An object is located 2 km beneath the surface of the water. If the fractional compression ∆V/V is 1.36%, the... View Article
A block of mass 1 kg attached to a spring is made to oscillate with an initial amplitude of 12 cm.
A block of mass 1 kg attached to a spring is made to oscillate with an initial amplitude of 12... View Article
The velocity of a particle is v=v0+gt+Ft2.
The velocity of a particle is v=v0+gt+Ft2. Its position is x=0 at t=0; then its displacement after time (t =... View Article
A geostationary satellite is orbiting around an arbitrary planet ‘P’ at a height of 11R above the surface of ‘P’, R being the radius of ‘P’.
A geostationary satellite is orbiting around an arbitrary planet ‘P’ at a height of 11R above the surface of ‘P’,... View Article
Match List I with List II
Match List I with List II List I List II a) Phase difference between current and voltage in a purely... View Article
Two particles A and B of equal masses are suspended from two massless springs of spring constants K1 and K2 respectively.
Two particles A and B of equal masses are suspended from two massless springs of spring constants K1 and K2... View Article
A carrier signal C(t) = 25 sin (2.512×1010t) is amplitude modulated by a message signal
A carrier signal C(t) = 25 sin (2.512×1010t) is amplitude modulated by a message signal m(t)= 5 sin (1.57×108t) and... View Article
A sound wave of frequency 245 Hz travels with a speed of 300 ms-1 along the positive x-axis.
A sound wave of frequency 245 Hz travels with a speed of 300 ms-1 along the positive x-axis. Each point... View Article
Two cells of emf 2E and E with internal resistance r1 and r2 respectively are connected in series to an external resistor R
Two cells of emf 2E and E with internal resistance r1 and r2 respectively are connected in series to an... View Article
If one mole of a polyatomic gas has two vibrational modes and β is the ratio of molar specific heats for polyatomic gas β=Cp / Cv then the value of β is
a. 1.35 b. 1.02 c. 1.25 d. 1.2 Answer: (d) Degree of freedom of polyatomic gas Here, no of translational... View Article
A solid sphere of mass 2 kg radius 0.5m is rolling
A solid sphere of mass 2 kg radius 0.5m is rolling with an initial speed of 1 ms-1 goes up... View Article
Two identical blocks A and B each of mass m resting on the smooth horizontal floor
Two identical blocks A and B each of mass m resting on the smooth horizontal floor are connected by a... View Article
Answer the following by appropriately matching the lists based on the information given in the paragraph.
Answer the following by appropriately matching the lists based on the information given in the paragraph. Let the circles C1... View Article
Let [latex]\vec a = 2 \hat i + \hat j – \hat k \ and \ \vec b = \hat i + 2 \hat j + \hat k[/latex] be two vectors.
Let \(\begin{array}{l}\vec a = 2 \hat i + \hat j – \hat k \ and \ \vec b = \hat... View Article
The value of the integral [latex]int_0^{frac{pi}{2}} frac{3 sqrt{cos theta}}{(sqrt{cos theta} + sqrt{sin theta})^5} d theta[/latex] equals
The value of the integral \(\begin{array}{l}\int_0^{\frac{\pi}{2}} \frac{3 \sqrt{cos \theta}}{(\sqrt{cos \theta} + \sqrt{sin \theta})^5} \ d \theta\end{array} \) equals Solution: Let... View Article
