## Interference and Diffraction, Physics

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What is the exact distinction between Diffraction and Interference?

#### Explain earth’s magnetic field , As per the most established theory it is b...

As per the most established theory it is because of the rotation of the earth where by the several charged ions there in the molten state in the core of the earth rotate and consti

#### air gap in between the parallel plates, How is that circuit wont be broken...

How is that circuit wont be broken even there is an air gap in between the parallel plates? Ans) In AC circuit capacitor offers resistance to current as aresistor would do in DC.

#### Determine element that atomic weight is double atomic number, The atomic we...

The atomic weight of an element is double its atomic number. If there are four electrons in 2P  orbital, the element is : (1) C                       (2) N       (3) O

#### Define the ray diagrams for lenses, Define the Ray Diagrams for Lenses Wh...

Define the Ray Diagrams for Lenses When drawing ray diagrams for thin lenses, we can assume that the lens is infinitely thin. Instead of considering refractions at each surface o

#### How can we increase current sensitivity of a galvanometer, Q. How can we in...

Q. How can we increase the current sensitivity of a galvanometer? The current sensitivity of a galvanometer is able to be increased by (i) Rising the number of turns (ii

#### Define the ultrasonic welding applications, Define the ultrasonic welding a...

Define the ultrasonic welding applications. Ultrasonic Welding Applications Ultrasonic metal-welding is an advanced technical procedure for combining nonferrous metals, many

#### CRT, can electrons from an electron gun produce electricity

can electrons from an electron gun produce electricity

#### Current density between the plates, 2. The dipole in problem is removed and...

2. The dipole in problem is removed and the space between plates is filled with Cu of conductivity σ (look up the value). (a) Derive an expression for the current density betwee

#### Why capacitor blocks d.c. but allows a.c., Q. A capacitor blocks d.c. but a...

Q. A capacitor blocks d.c. but allows a.c. Why? Capacitive reactance   XC = 1/ω C        = 1 / 2πν C Where ν is the frequency of the a.c. supply. In a d.c. circuit

#### Poission;s theory, what is poission''s equation?Establish poisson''s equati...

what is poission''s equation?Establish poisson''s equation for space distribution of charges.discuss its significance.