Question : Infrared radiation is detected by which of the following?
Option 1: Pyrometer
Option 2: Nanometer
Option 3: Photometer
Option 4: Spectrometer
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Correct Answer: Photometer
Solution : The answer is a Photometer.
A Photometer is a device used to measure the strength of light or other forms of electromagnetic radiation, often their brightness or luminance. These instruments find widespread application across diverse fields. Photometers operate by capturing light through a sensor or detector and subsequently measuring its intensity.
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Question : Which of the following is a likely cause of skin cancer?
Option 1: Use of biogas
Option 2: Greenhouse effect
Option 3: Exposure to UV radiation
Option 4: Exposure to IR radiation
Question : A ______ is used to detect acoustic signals under the water.
Option 1: ammeter
Option 2: hydrophone
Option 3: pyrometer
Option 4: bolometer
Question : Which of the following diseases is caused by the human itch mite?
Option 1: Measles
Option 2: Rubella
Option 3: Herpes
Option 4: Scabies
Question : Which of the following is written by Bankim Chandra Chatterjee?
Option 1: Chokher Bali
Option 2: Durgeshnandini
Option 3: Maila Aanchal
Option 4: Pratigya
Question : Which of the following books was written by Megasthenes?
Option 1: Nitisara
Option 2: Nagananda
Option 3: Buddha Charita
Option 4: Indica
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