A. Electrical energy
B. Mechanical energy
C. Kinetic energy
D. Potential energy
Oranges are rich source of____________?
A. Carbohydrates
B. Fats
C. Proteins
D. Vitamins
A. Alessandro volta
B. Tim Berner
C. Rob Stothard
D. Georges Leclanche
A. 1
B. 2
C. 3
D. None of these
Border line which separates outer space from Earth’s atmosphere is known as___________?
A. Durand line
B. Space line
C. Venus line
D. Karman line
A photometer is an instrument that measures the strength of electromagnetic radiation in the range from ultraviolet to infrared and including the visible spectrum. Most photometers convert light into an electric current using a photoresistor, photodiode, or photomultiplier. Photometers measure: Illuminance. Irradiance.
A. Diving board
B. Bridge
C. See-saw
D. Common balance