Practice Set 1
The velocity of a particle is v = v0 + gt + ft^2 . If its position is x = 0 at t = 0, then its displacement after unit time (t = 1) is
28
Sep
The velocity of a particle is v = v0 + gt + ft^2 . If its position is x = 0 at t = 0, then its displacement after unit time (t = 1) is The velocity of a particle is v = v0 + gt + ft^2 . If its position is x = [...]
A sound wave of frequency 245 Hz travels with the speed of 300 ms–1 along the positive x-axis. Each point of the wave moves to and fro through a total distance of 6 cm. What will be the mathematical expression of this travelling wave ?
28
Sep
A sound wave of frequency 245 Hz travels with the speed of 300 ms–1 along the positive x-axis. Each point of the wave moves to and fro through a total distance of 6 cm. What will be the mathematical expression of this travelling wave ? Red light differs from blue light as they have: September [...]
An object is located at 2 km beneath the surface of the water. If the fractional compression ΔV/V is 1.36%, the ratio of hydraulic stress to the corresponding hydraulic strain will be …….. [Given : density of water is 1000 kg m^–3 and g = 9.8 ms^–2.]
28
Sep
An object is located at 2 km beneath the surface of the water. If the fractional compression ΔV/V is 1.36%, the ratio of hydraulic stress to the corresponding hydraulic strain will be …….. [Given : density of water is 1000 kg m^–3 and g = 9.8 ms^–2.] An object is located at 2 km beneath [...]
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’. The time period of another satellite in hours at a height of 2R from the surface of ‘P’ is……….’P’ has the time period of 24 hours.
28
Sep
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’. The time period of another satellite in hours at a height of 2R from the surface of ‘P’ is……….’P’ has the time period of 24 hours. A geostationary satellite [...]
Which one of the following will be the output of the given circuit ?
28
Sep
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 ? September 28, 2021 Category: JEE Mains Physics 2002-2019 Solved Video Solutions , Practice Set 1 ,
A block of mass 1 kg attached to a spring is made to oscillate with an initial amplitude of 12 cm. After 2 minutes the amplitude decreases to 6 cm. Determine the value of the damping constant for this motion. (take In 2 = 0.693)
28
Sep
A block of mass 1 kg attached to a spring is made to oscillate with an initial amplitude of 12 cm. After 2 minutes the amplitude decreases to 6 cm. Determine the value of the damping constant for this motion. (take In 2 = 0.693) Red light differs from blue light as they have: September [...]
The following bodies, (1) a ring (2) a disc (3) a solid cylinder (4) a solid sphere, of same mass ‘m’ and radius ‘R’ are allowed to roll down without slipping simultaneously from the top of the inclined plane. The body which will reach first at the bottom of the inclined plane is …….. [Mark the body as per their respective numbering given in the question]
28
Sep
The following bodies, (1) a ring (2) a disc (3) a solid cylinder (4) a solid sphere, of same mass ‘m’ and radius ‘R’ are allowed to roll down without slipping simultaneously from the top of the inclined plane. The body which will reach first at the bottom of the inclined plane is …….. [Mark [...]
If one mole of the polyatomic gas is having two vibrational modes and β is the ratio of molar specific heats for polyatomic gas (β = CP/CV) then the value of β is :
28
Sep
If one mole of the polyatomic gas is having two vibrational modes and β is the ratio of molar specific heats for polyatomic gas (β = CP/CV) then the value of β is : If one mole of the polyatomic gas is having two vibrational modes and β is the ratio of molar specific heats [...]
Consider two identical springs each of spring constant k and negligible mass compared to the ass M as shown. Fig.1 shows one of them and Fig.2 shows their series combination. The ratios of time period of oscillation of the two SHM is T b/T a = √ x , where value of x is ……… (Round off to the Nearest Integer)
28
Sep
Consider two identical springs each of spring constant k and negligible mass compared to the ass M as shown. Fig.1 shows one of them and Fig.2 shows their series combination. The ratios of time period of oscillation of the two SHM is T b/T a = √ x , where value of x is ……… [...]
The radius in kilometer to which the present radius of earth (R = 6400 km) to be compressed so that the escape velocity is increased 10 time is ……….
28
Sep
The radius in kilometer to which the present radius of earth (R = 6400 km) to be compressed so that the escape velocity is increased 10 time is ………. The radius in kilometer to which the present radius of earth (R = 6400 km) to be compressed so that the escape velocity is increased 10 [...]