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If the acceleration due to gravity at the surface of the earth is g, the work done in slowly lifting a body of mass m from the earth’s surface to a height R equal to the radius of the earth is
14
Sep
If the acceleration due to gravity at the surface of the earth is g, the work done in slowly lifting a body of mass m from the earth’s surface to a height R equal to the radius of the earth is If the acceleration due to gravity at the surface of the earth is g [...]
In the previous problem, the minimum speed with which the body must be thrown from the surface of the earth so as to reach a height of R/4 is
14
Sep
In the previous problem, the minimum speed with which the body must be thrown from the surface of the earth so as to reach a height of R/4 is In the previous problem the minimum speed with which the body must be thrown from the surface of the earth so as to reach a height [...]
A physical quantity x depends on quantities y and z as follows: x = Ay + B tan (Cz), where A, B, and C are constants. Which of the following do not have the same dimensions?
14
Sep
A physical quantity x depends on quantities y and z as follows: x = Ay + B tan (Cz), where A, B, and C are constants. Which of the following do not have the same dimensions? A physical quantity x depends on quantities y and z as follows: x = Ay + B tan (Cz) [...]
The radius of the earth is R and acceleration due to gravity at its surface is ‘g’. If a body of mass ‘m’ is sent to a height of R/4 from the earth’s surface, the potential energy increases by
14
Sep
The radius of the earth is R and acceleration due to gravity at its surface is ‘g’. If a body of mass ‘m’ is sent to a height of R/4 from the earth’s surface, the potential energy increases by the potential energy increases by The radius of the earth is R and acceleration due to [...]
Suppose refractive index muon is given as muon = A + B/lemda^2 where A and B are constants and lemda is wavelength, then dimensions of B are same as that of a. Wavelength b. volume
14
Sep
Suppose refractive index muon is given as muon = A + B/lemda^2 where A and B are constants and lemda is wavelength, then dimensions of B are same as that of a. Wavelength b. volume Suppose refractive index muon is given as muon = A + B/lemda^2 where A and B are constants and lemda [...]
Given that T stands for time period and l stands for the length of simple pendulum. If g is the acceleration due to gravity, then which of the following statements about the relation T^2 = (l/g)
14
Sep
Given that T stands for time period and l stands for the length of simple pendulum. If g is the acceleration due to gravity, then which of the following statements about the relation T^2 = (l/g) Given that T stands for time period and l stands for the length of simple pendulum. If g is [...]
A student when discussing the properties of a medium (except vacuum)writes velocity of light in vacuum = Velocity of light in medium This fomula is a. Dimensionally correct b. Dimensionally incorrect
14
Sep
A student when discussing the properties of a medium (except vacuum)writes velocity of light in vacuum = Velocity of light in medium This fomula is a. Dimensionally correct b. Dimensionally incorrect A student when discussing the properties of a medium (except vacuum)writes velocity of light in vacuum = Velocity of light in medium This fomula [...]
A physical quantity depends upon five factors, all of which have dimensions; then method of dimensional analysis a. can be applied b. cannot be applied
14
Sep
A physical quantity depends upon five factors, all of which have dimensions; then method of dimensional analysis a. can be applied b. cannot be applied A physical quantity depends upon five factors all of which have dimensions; then method of dimensional analysis a. can be applied b. cannot be applied September 14, 2020 Category: Uncategorised [...]
In the relation dy/dt = 2 omega sin (omega t + phi 0), the dimensional formula for omega t + phi 0 is
14
Sep
In the relation dy/dt = 2 omega sin (omega t + phi 0), the dimensional formula for omega t + phi 0 is In the relation dy/dt = 2 omega sin (omega t + phi 0) the dimensional formula for omega t + phi 0 is September 14, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
Given that Y = A sin ((2 pie/lemda)(ct – x)), where y and x are measured in the unit of length. Which of the following statements is true? a. The unit of lemda is same as that of x and A.
14
Sep
Given that Y = A sin ((2 pie/lemda)(ct – x)), where y and x are measured in the unit of length. Which of the following statements is true? a. The unit of lemda is same as that of x and A. Given that Y = A sin ((2 pie/lemda)(ct - x)) where y and x [...]