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The coordinates of a moving particle at any time t are given by x = αt^3 and y = βt^3 . The speed of the particle at time t is given by :
10
Sep
The coordinates of a moving particle at any time t are given by x = αt^3 and y = βt^3 . The speed of the particle at time t is given by : The coordinates of a moving particle at any time t are given by x = αt^3 and y = βt^3 . The [...]
A particle moving, eastwards with a velocity of 5 m/s. In 10 s, its velocity changes to 5 m/s northwards. The average acceleration in this time is
10
Sep
A particle moving, eastwards with a velocity of 5 m/s. In 10 s, its velocity changes to 5 m/s northwards. The average acceleration in this time is A particle moving eastwards with a velocity of 5 m/s. In 10 s its velocity changes to 5 m/s northwards. The average acceleration in this time is September [...]
Sodium light has two wavelengths, lemda 1 = 589 nm and lemda 2 = 589.6 nm. As the path difference increases, when is the visibility of the fringes a minimum?
10
Sep
Sodium light has two wavelengths, lemda 1 = 589 nm and lemda 2 = 589.6 nm. As the path difference increases, when is the visibility of the fringes a minimum? lemda 1 = 589 nm and lemda 2 = 589.6 nm. As the path difference increases Sodium light has two wavelengths when is the visibility [...]
A particle is moving in x-y-plane at 2 m/s along x-axis. 2 seconds later, its velocity is 4 m/s in a direction making 60 with positive x-axis. Its average acceleration for this period of motion is :
10
Sep
A particle is moving in x-y-plane at 2 m/s along x-axis. 2 seconds later, its velocity is 4 m/s in a direction making 60 with positive x-axis. Its average acceleration for this period of motion is : A particle is moving in x-y-plane at 2 m/s along x-axis. 2 seconds later its velocity is 4 [...]
Two polaroids are placed 90 to each other. What happens when N-1 more polaroids are inserted between two crossed polaroids (at 90 to each other). Their axes are equally spaced. How does the transmitted intensity
10
Sep
Two polaroids are placed 90 to each other. What happens when N-1 more polaroids are inserted between two crossed polaroids (at 90 to each other). Their axes are equally spaced. How does the transmitted intensity one of them is rotated through 60. What percentage of incident unpolarized light will pass through the system? Two polaroids [...]
The objective of microscope has a focal length of 1 cm and diameter 0.5 cm. Using light of 6000 A, is it possible to resolve the two point objects if they are separated by a distance
10
Sep
The objective of microscope has a focal length of 1 cm and diameter 0.5 cm. Using light of 6000 A, is it possible to resolve the two point objects if they are separated by a distance is it possible to resolve the two point objects if they are separated by a distance The objective of [...]
A particle moves in straight line in same direction for 20 seconds with velocity 3m/s and the moves with velocity 4m/s for another 20 sec and finally moves with velocity 5m/s for next 20 seconds. What is the average velocity of the particle?
10
Sep
A particle moves in straight line in same direction for 20 seconds with velocity 3m/s and the moves with velocity 4m/s for another 20 sec and finally moves with velocity 5m/s for next 20 seconds. What is the average velocity of the particle? A particle is projected with a velocity v so that its range [...]
A telescope has an objective of diameter 60 cm. The focal lengths of the objective and eye-piece are 2.0 m and 1.0 cm respectively. The telescope is directed to view two distant almost point sources
10
Sep
A telescope has an objective of diameter 60 cm. The focal lengths of the objective and eye-piece are 2.0 m and 1.0 cm respectively. The telescope is directed to view two distant almost point sources A telescope has an objective of diameter 60 cm. The focal lengths of the objective and eye-piece are 2.0 m [...]
Angular width of a central maximum in the Fraunhofer diffraction pattern of a slit is measured. The slit is illuminated by light of wavelength 6000 A. when the slit is illuminated by light of another
10
Sep
Angular width of a central maximum in the Fraunhofer diffraction pattern of a slit is measured. The slit is illuminated by light of wavelength 6000 A. when the slit is illuminated by light of another Angular width of a central maximum in the Fraunhofer diffraction pattern of a slit is measured. The slit is illuminated [...]
A person is standing on an open car moving with a constant velocity of 30 m/s on a straight upward direction and it returns to person after the car has moved 240 m. The speed and the angle of projection
10
Sep
A person is standing on an open car moving with a constant velocity of 30 m/s on a straight upward direction and it returns to person after the car has moved 240 m. The speed and the angle of projection A particle is projected with a velocity v so that its range on a horizontal [...]