1) A charge Q1 has the same number of field lines entering it compared to the nu

Question

1) A charge Q1 has the same number of field lines entering it compared to the number of field lines leaving another charge Q2. What you conclude about the magnitude of the two charges?

a) Q2> Q1

b) Q2 = Q1

c) Q2< Q1

2) A charged particle that is moving in a magnetic field experiences a force that is _____ to the field and_____ to the direction of motion of the charged particle.

a) parallel, perpendicular

b) perpendicular, parallel

c) perpendicular, perpendicular

5) The wavelength of x-ray radiation is ______ the wavelength of infrared.

a) greater than

b) less than

c) x-rays and infrared radiation don

Explanation / Answer

2.c) perpendicular, perpendicular

5. b)less than

X-ray wavelength => 0.01nm to 10 nm

Infrared Wavelength =>700 nm to 1mm

6. a) greater than

A radar speed gun is a Doppler radar unit that may be hand-held, vehicle-mounted or static. It measures the speed of the objects at which it is pointed by detecting a change in frequency of the returned radar signal caused by the Doppler effect, whereby the frequency of the returned signal is increased in proportion to the object's speed of approach if the object is approaching, and lowered if the object is receding

7.b)Parallel ,series

In Series Circuit ,same current flows through the resistors

In parallel circuit ,same Voltage will exist across Resistors.

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