waves associated with a moving particle under suitable conditions

A planet is revolving around the sun as shown in elliptical path The correct option is

The time taken in travelling D A B is less than that for B C D .

The time taken in travelling D A B is greater than that for B C D .

The time taken in travelling C D A is less than that for A B C .

The time taken in travelling C D A is greater than that for A B C .

MEDIUM

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Which year did the First Fleet arrive in Australia, marking the beginning of European settlement?

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Important Questions on Motion in a Straight Line

EASY

Physics>Mechanics>Motion in a Straight Line>Instantaneous Velocity and Speed

A particle shows the distance-time curve as shown in the figure. The maximum instantaneous velocity of the particle is around the point.

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MEDIUM

Physics>Mechanics>Motion in a Straight Line>Instantaneous Velocity and Speed

If the uncertainty in the position of an electron is

10^{- 10} m,

then the value of uncertainty in its momentum will be _____

kg {ms}^{- 1} . (h = 6.62 \times 10^{- 34} J^{- s})

EASY

Physics>Mechanics>Motion in a Straight Line>Instantaneous Velocity and Speed

Two cars

P

and

Q

start from a point at the same time in a straight line and their positions are represented by

X_{P} (t) = a t + b t^{2}

and

X_{Q} (t) = f t - t^{2}

. At what time do the cars have the same velocity?

EASY

Physics>Mechanics>Motion in a Straight Line>Instantaneous Velocity and Speed

In Raman scattering, Stokes and Antistokes lines respectively represents lines with ______ and ______ wavelength.

EASY

Physics>Mechanics>Motion in a Straight Line>Instantaneous Velocity and Speed

Matter waves are

HARD

Physics>Mechanics>Motion in a Straight Line>Instantaneous Velocity and Speed

Four electrons, each of mass

m_{e}

are in a one dimensional box of size

L

. Assume that, the electrons are non-interacting, obey the Pauli exclusion principle and are described by standing De Broglie waves confined within the box. Define

α = \frac{h^{2}}{8 m_{e} L^{2}}

and

U_{0}

to be the ground state energy. Then,

EASY

Physics>Mechanics>Motion in a Straight Line>Instantaneous Velocity and Speed

Which of the following graphs represents the motion of a planet moving about the sun?

EASY

Physics>Mechanics>Motion in a Straight Line>Instantaneous Velocity and Speed

The earth moves around the sun in an elliptical orbit as shown in the figure. The ratio,

\frac{O A}{O B} = x

. The ratio of the speed of the earth at

B

and at

A

EASY

Physics>Mechanics>Motion in a Straight Line>Instantaneous Velocity and Speed

A planet is revolving around the sun in an elliptical path as shown in the figure. The orbital velocity of the planet will be minimum at

Question Image

EASY

Physics>Mechanics>Motion in a Straight Line>Instantaneous Velocity and Speed

A planet is revolving around the sun as shown in elliptical path

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The correct option is

EASY

Physics>Mechanics>Motion in a Straight Line>Instantaneous Velocity and Speed

In planetary motion, the areal velocity of position vector of a planet depends on angular velocity

(ω)

and the distance of the planet from sun (r). If so, the correct relation for areal velocity is

EASY

Physics>Mechanics>Motion in a Straight Line>Instantaneous Velocity and Speed

If a new planet is discovered rotating around the Sun with the orbital radius double that of the Earth, then what will be its time period? (in Earth's day)

EASY

Physics>Mechanics>Motion in a Straight Line>Instantaneous Velocity and Speed

The time period of a satellite of earth is