The Smallest Value Of 5 Cos Theta 12 Is
The smallest value of 5 cos θ + 12 is 1) 5 2) 12 3) 7 4) 17 Answer: (3)... View Article
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For Any Angle Theta The Expression 2 Cos 8theta 1 2 Cos Theta 1 Is
For any angle θ, the expression (2 cos 8θ + 1)/(2 cos θ + 1) is equal to 1) (2... View Article
The Value Of Sin 20 Degree 4 Sec 20 Degree Is
The value of sin 20° (4 + sec 20°) is 1) 0 2) 1 3) √2 4) √3 Answer: (4)... View Article
1 Cos 80 Degree Roo3 Sin 80 Degree Is Equal To
(1/cos 80°) – (√3/ sin 80°) is equal to 1) √2 2) √3 3) 2 4) 4 5) √5 Answer:... View Article
If Sin 4a Cos 2a Cos 4a Sin 2a Where 0 A Pi 4 Then Tan 4a Is
If sin 4A – cos 2A = cos 4A – sin 2A (where, 0 < A < π/4) then the... View Article
The Maximum Value Of Cos 2 Pi 3 X Is
The maximum value of cos2(π/3 – x) – cos2(π/3 + x) is 1) -(√3/2) 2) 1/2 3) √3/2 4) 3/2... View Article
What Are The Two Properties Of Waves
Scientists describe a wave using many properties. These properties include amplitude, frequency and wavelength. Amplitude – The measure of the... View Article
What Is Escape Velocity From Earth
The escape velocity of Earth is 11.19 km/s. Escape velocity is the minimum speed needed for a free object that... View Article
Why Is Shm Important
Simple harmonic motion or SHM is used in research to model oscillations for wind turbines and vibrations in car suspensions.
What Are Coherent Sources How Are They Realised In Practice
Two waves are considered coherent sources if they emit light waves of the same frequency and nearly equal amplitude and... View Article
How Do You Make Light Coherent
For waves such as visible light that has high frequency, stimulated emission is the most effective way of creating coherent... View Article
How Do You Calculate Orbital Speed
Orbital velocity is the velocity at which a body revolves around the other body. The orbital velocity can be calculated... View Article
Where Is Electrostatic Force Used
A Van de Graaff generator is an electrostatic generator, invented by an American physicist Robert J. Van de Graaff. It... View Article
Which Oscillation Is Shm
Simple harmonic is an oscillatory motion where the net force on a system is a restoring force.
How Do You Calculate Escape Velocity
Escape velocity is the minimum velocity required by a body to be projected to overcome the gravitational pull of the... View Article
What Is Coherent And Incoherent Sources
Coherent sources are sources of light that emit waves which have zero or constant phase difference and same frequency. Incoherent... View Article
What Is The Orbital Velocity Of Jupiter
The orbital velocity of Jupiter is 13.07 km/s. In the solar system, mercury has the fastest orbital speed and Neptune... View Article
What Is Damped Shm
When the oscillator motion reduces due to an external force, the oscillator and its motion are said to be damped.... View Article
Why Do We Use Ohms Law
Ohm’s law is an important law in electric circuits that describe the relationship between current, voltage and resistance. Ohm’s law... View Article
Is Led Light Coherent
The light emitted from an LED is neither monochromatic nor spectrally coherent. However, the spectrum of an LED light is... View Article
