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1.) using the wave speed formula for an electromagnetic wave, c=fλ, (c=3.00x10^8 m/s)

f=c/λ where c=the speed of an electromagnetic wave.

f=(3.00x10^8)/(560x10^-9)= 5.36x10^14 Hz

the phase difference between sine and cosine graphs is pi/2. so when the sine function is applied to an angle, to get the corresponding answer but from a cosine function you simply add pi/2 (Radians only,...

Force=(mass)x(acceleration) F=2x2=4N Work done=(Force)x(distance) W=4x10=40J

x=x₀+v₀t+1/2at²

There are three rays whose direction is known:

The ray passing through the intersection of the lens and the optical plane does not change its direction.

The ray passing through the object fo...