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ATQ,
Let the speed of bus be ‘x’ km/h. So, x × 6 = 120 + (9x/10) ×[6.5 – {120/x}] 6x = 120 + (9/10) × (6.5x – 120) 1.5x = 120 x = 80 Required distance = x × 6 = 480 km
Two cars A and B are running at velocities of 60km per hour and 45 km per hour. What is the relative velocity of car A with respect to car B, if both ar...
Cryogenics is a branch of Physics that deals with what?
The direction of magnetic field inside a magnet is
In circular motion the direction of velocity changes at _______ points.
Which of the following pairs of phenomena illustrate the particle nature of the electromagnetic radiation?
A galvanometer coil has a resistance of 14 Ω and the metre shows full scale deflection for a current of 4 mA. How will you convert the metre into a vo...
The order of wavelengths for ordinary light is:
The colour of sky appears blue due to –
Which of the following particles in motion, having the same kinetic energy, has the shortest wavelength?
In an experimental arrangement of a Fresnel's biprism, monochromatic light of wavelength 2. is used to produce interference fringe pattern. On introduc...
