Topic Details (Notes format)

Lambert’s Law (Illumination)

Subject: Static GK (General Knowledge)

Book: Famous Theorems & Laws

Illuminance on a surface from a point source is inversely proportional to the square of the distance. A principle in photometry.

Practice Questions

Who discovered the telephone?

View Question

Who discovered the tomb of Qin Shi Huang?

View Question

Which element has the chemical symbol "Si"?

View Question

Which hormone, secreted by the pineal gland, regulates the sleep-wake cycle?

View Question

Which element has the chemical symbol "Yb"?

View Question

Who discovered circadian clock genes?

View Question

Which part of the brain controls involuntary actions like breathing and heart rate?

View Question

Who discovered the hepatitis B virus?

View Question

Which element is represented by the symbol ‘Hg’ on the periodic table?

View Question

Who discovered somatic cell nuclear transfer?

View Question