Ultrasonic wave, how ultrasonic wave detect by piezoelectric detector ?

how ultrasonic wave detect by piezoelectric detector ?

Determine electric field vector for a negative point charge, For a negative...

For a negative point charge, the electric field vectors: a) Circle the charge b) Point radially in toward the charge c) Point radially away from the charge d) C

Electrostatic, what is electric field

what is electric field

Explain about soft iron armatur, A force of 2.5kN is needed to lift a load....

A force of 2.5kN is needed to lift a load. How much work is done if the load is lifted by 500cm? An electromagnet exerts a force of 12N and moves a soft iron armature by a dist

Laue pattern, Laue pattern (M. von Laue): The pattern generated on a p...

Laue pattern (M. von Laue): The pattern generated on a photographic film while high-frequency electromagnetic waves (such as x-rays) are fired at a crystalline solid.

Find tension in string, Q. The block of mass M descend with acceleration ...

Q. The block of mass M descend with acceleration a and mass of string is m. find tension in string? Ans: The tension in the string will not be same at all points as the string h

Forces and nature,

Force operating on and acceleration of the block, A block of mass m is rest...

A block of mass m is resting on a piece of smooth paper. The block has coefficient of static and kinetic friction μ s , μ k with the paper, correspondingly. You jerk the paper hor

Which direction does the north pole of the compass point, A long, straight,...

A long, straight, current-carrying wire carries a current from west to east. A compass is held above the wire. a. Which direction does the north pole of the compass point? S

Explain the focal length of the convex lens, Convex lens can be used as a m...

Convex lens can be used as a magnifying glass. When an object that is 15.0 cm from the lens has an image that is exactly 55 times the size of the object, what is the focal leng