Question
In the question, two equations I and II are given. You
have to solve both the equations to establish the correct relation between x and y. I. x2 - 19x + 84 = 0 II. y2 - 25y + 156 = 0Solution
ATQ, On solving for x and y we get x = 12, 7 y = 13, 12 (12 ≤ 13, 12 = 12, 7 < 13, 7 < 12) x ≤ y
Calculate the speed of light in diamond if its refractive index is 2.4.
(Speed of light = 3 × 10⁸ m/s)
A person throws a ball from ground level at speed u and angle θ. The ball reaches maximum height H and range R. What is the ratio H/R?
The colour of sky appears blue due to –
In an AC circuit, voltage and current are given by V = 200 sin(ωt) and I = 10 sin(ωt + π/3). What is the average power consumed?
If Planck’s constant h, gravitational constant G, and speed of light v are taken as fundamental units, the dimension of time is:
A body of mass 2 kg is moving with velocity 3 m/s. What is its kinetic energy?
An athlete can jump farther by running before jumping due to which type of inertia?
When a capacitor is fully charged in a DC circuit, the current through it is:
How long does an image remain on the retina after the object is removed?
The experimental evidence that the electron exhibits wave-like characteristics was first provided by:
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