If an X-Ray Beam of Wavelength 1

question 3

Multiple Choice

If an x-ray beam of wavelength 1.4 × 10^-10 m makes an angle of 20° with a set of planes in a crystal causing first order constructive interference, at what angle will the second order line appear?

• A) 40°
• B) 20°
• C) 43°
• D) 4.0°
• E) 11°

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Definitions:

Pacemaker

A medical device implanted in the body to regulate the heart rate by delivering electrical impulses.

Heart Conduction

The process by which electrical signals are transmitted through the heart's cells, initiating its contraction and coordinating heartbeat.

Electrical Transmission

The process of conveying electricity over a distance, typically from a power plant to the consumer using transmission lines.

Hernia

The protrusion of an organ through the wall that usually contains it, such as a hiatal or inguinal hernia.