Which type of radio waves have the highest frequency and are used in radar detection? microwaves x-rays waves infrared waves gamma waves

Answers

Answer 1

Answer:

Answer: Microwaves

Explanation:

RADAR stands for radio detection and ranging. Radio waves range from 300 GHz to 30 Hz. Modern radar uses higher frequency of waves for detection. These waves are microwaves (300 MHz-300 GHz). Microwaves are types of radio waves and are used in the radar detection.

The electromagnetic wave which has highest frequency is gamma wave but it is not used for radar detection.

Hence, the correct answer is microwaves are the type pf radio waves which have the highest frequency and are used in radar detection.

Answer 2

Answer: microwaves are a type of radio waves used in radar detection and they have the highest frequency.

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As an object sinks in a fluid, the buoyant force ____.a. increases
c. remains the same
b. decrease
d. depends on the shape

Answers

Beginning when the bottom of the object first touches the water,
and as it descends and more and more of it goes under, the
buoyant force on it increases during that time.

As soon as the object is completely underwater, it doesn't matter
how deep under it is, the buoyant force on it remains the same.

As an object sinks in a fluid, the buoyant force decrease.

Hope this helped.

Could you give me 4 examples of acceleration??

Answers

Certainly.

1). A driver presses the gas and the car speeds up.

2). A driver presses the brake and the car slows down.

3). A driver turns the steering wheel slightly. The car's speed doesn't change
as it goes around the curve.

4). A stone is tossed into the air. Gravity accelerates it from the moment it
leaves the thrower's hand until it hits the ground.

5). A new TV satellite is successfully launched and placed in a perfect circular
orbit around the Earth. The satellite's motion is accelerated forever, 24/7/365 .

"Acceleration" means any change in the speed or direction of motion. Any
object that's not moving at constant speed in a straight line is accelerated.

A periodic wave is produced by a vibratingtuning fork. The amplitude of the wave would be
greater if the tuning fork were
(1) struck more softly
(2) struck harder
(3) replaced by a lower frequency tuning fork
(4) replaced by a higher frequency tuning fork

Answers

The amplitude of the wave would be greater if the tuning fork were "struck harder" since this would make for a louder noise, which happens from higher amplitudes.

Terrane accretion generally occurs along a ________ boundary between a continental plate and an oceanic plate.

Answers

Answer;
Terrane accretion generally occurs along a convergent boundary between a continental plate and an oceanic plate.

Explanation;
Terrane accretion occur at convergent plate boundaries, however, it may be possible for a terrane to be brought from an exotic location along a transform plate boundary.
Additionally, it is also likely for a new divergent plate boundary to develop that rifts a continent apart.

A quantity has a measured value of 8.4126. which number value has the uncertainty?

Answers

Heres my expert advice

In a measured value like "8.4126," the number value with the uncertainty is typically the last digit or the least significant digit. In this case, the number value with the uncertainty is "6." The uncertainty represents the potential variation or error associated with the measurement of the quantity.

So, for the measured value "8.4126," the uncertainty would be associated with the "6," and you might express it as ±0.0001 (if you consider it to be accurate to the thousandth's place) or ±0.1 (if you consider it to be accurate to the tenths place), depending on the level of precision and the measuring instrument used.

7. The diagram illustrates the differences between the skulls and brain volumes of three extinct hominins. In each drawing in the diagram, the shaded area inside the skull indicates the size of the brain. Based on the relative size of the brain, which species is capable of more complex behavior, such as the use of tools? A. Australopithecus africanus B. All three species were capable of equivalent complex behaviors. C. Homo erectus D. Homo neanderthalensis

Answers

The best answer to the question above would be letter A. All species that were mentioned in the choices were capable of equivalent complex behaviors. The Australopithecus africanus probably used simple tools (which is an indication of complex behavior) such as sticks for hunting. The erectus and neanderthalensis developed more advanced use of tools.

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