Answer:
It spreads out into multiple shadow regions
Explanation:
- when the waves meet the barrier than light is diffracted as When this occurs, the wave bends around the corners of the barrier or passes through the opening of the wedge, which acts as a barrier, forming several patterns with the hole shape of the wedge.
- and The main condition for this phenomenon to occur is that the magnitude of the barrier must be equal to the magnitude of the wavelength.
- when sunlight as an electromagnetic waves is passes by key hole of gate, then this light will break and form many keyhole-shaped shadow fields.
Answer:
The right solution is "". A further explanation is given below.
Explanation:
The given values are:
Current,
I =
Time,
t = 4.1 s
As we know,
⇒
On substituting the given values, we get
⇒
⇒
⇒
Answer:
16km/h
Explanation:
Vt=20km/h ---train speed
Vd=4km/h
Donas speed relative to ground is:
Vrd=Vt-Vd
Donas is moving in opposite direction of train .
Vrd=20km/h-4km/h
Vrd=16km/h
Answer:
(a) The angular displacement of the toy is 18.85 rad.
----
(b) The toy's angular velocity is 6.284 rad/min.
----
(c) if the counterclockwise rotation is in negative direction, the angular acceleration will be positive when the toy is turned off and vice versa.
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The strength of magnetic field is one of two ways that the intensity of a magnetic field can be expressed, Technically, a distinction is made between magnetic field strength H, measured in amperes per meter (A/M) and magnetic flux density, B measured in Newton Meters per ampere (Nm/A)