TRICK 8 | Solution of Simple Equations in 10 Seconds

RAY OPTICS | Super Trick To solve questions in 10 seconds | Physics Tricks |JEE MAINS 2020/NEET 2020

If the time period of a simple pendulam is 10 seconds, then its frequency ius ______Hz.

9/5 is the solution of the equation 4x – 1 = 8 .

3/2 is the solution of the equation 8x – 5 = 7.

What is the frequency of a simple pendulum that completes 10 oscilations in 2 seconds ?

State true or false : x=5 is a solution of the equations 3-x=8

The sum of the solutions of the equations 9^(x) - 6.3^(x) +8 = 0 is

The equation of a simple harmonic motion is given by x =6 sin 10 t + 8 cos 10 t , where x is in cm, and t is in seconds. Find the resultant amplitude.