Question

Solar radiation flux is usually measured with the help of which of the following instruments?
A. Anemometer
B. Pyranometer
C. Sunshine Recorder
D. All of the above

Answer 1

Hint: Electromagnetic energy that is created by the nuclear fusion reaction from the sun is called Solar Radiation. It is a radiant energy emitted by the sun. The range of sun-oriented radiation is near that of a dark body with a temperature of around 5800 K.About a portion of the radiation is in the apparent short-wave part of the electromagnetic range. The other half is for the most part in the close infrared part, with some in the bright piece of the range.

Complete answer:
Option A: An instrument that is used to measure the wind speed and wind pressure is called Anemometer. The wheel rotates as fast as the wind blows. This tool is important for meteorologists, who study patterns of weather. Physicists study air movement through this.The most widely recognized sort of anemometer has three or four cups joined to level arms. The arms are joined to an upward pole. As the breeze blows, the cups pivot, making the bar spin. The anemometer counts the quantity of revolutions, or turns, which is utilized to compute wind speed.

Option B: A device that measures the solar radiation flux is called Pyranometer. Solar radiation is the reason behind earth’s weather patterns and thus an important factor in weather and climatic studies. Pyranometers are irradiance sensors that depend on the Seebeck-or thermoelectric impact. The primary parts of a pyranometer are a couple of arches, a dark safeguard, a thermopile, the pyranometer body and sometimes extra hardware. The arch on a pyranometer goes about as a channel that sends sun powered radiation with frequencies from generally 0.3 to around 3 x 10⁻⁶ m, yet hinders warm radiation with frequencies longer than 3 μm. Infrequently a subsequent arch is utilized to work on the pyranometer execution

Option C: A Sunshine recorder is a gadget that records the measure of daylight at a given area or district whenever. The outcomes give data about the climate and environment just as the temperature of a topographical region. This data is helpful in meteorology, science, agriculture, the travel industry, and different fields. It has additionally been known as a heliograph. There are two fundamental kinds of Sunlight recorders. One sort utilizes the actual sun as a period scale for the daylight readings. The other kind uses some type of clock for the time scale.

Option D: This option is incorrect because one of the options given above is already correct.

Thus, the correct answer is option B.

Note: In the sunlight-based energy industry pyranometers are utilized to screen the presentation of photovoltaic (PV) power plants. By contrasting the real force yield from the PV power plant to the normal yield dependent on a pyranometer perusing the effectiveness of the PV power plant still up in the air. Drops in productivity might show that upkeep of the PV plant is required. Pyranometers can likewise be utilized to decide the reasonableness of expected destinations for PV power plants.