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Photocells are scientifically known as photo-resistors. A photo-resistor or light dependent resistor (LDR) is a resistor whose resistance decreases with increasing incident light intensity; in other words, it exhibits photoconductivity. A photo-resistor is made of a high resistance semiconductor. If light falling on the device is of high enough frequency, photons absorbed by the semiconductor give bound electrons enough energy to jump into the conduction band.
Consider the following statements with reference to the United Nations Organisation:
1. In the General Assembly of the UNO, no member-nation ha...
The main element of protein is
The average of the first 25 multiples of 3 is:
Where was Asia's largest '4-meter liquid mirror telescope' inaugurated ?
Aruna has a younger sister whose age is 8 years less than that of Aruna. If Aruna’s sister’s age is 18 years, then Aruna’s age is:
The sum of two numbers is 36. Five times one number is equal to 4 times the other. The greater of the two numbers is:
Three of the following statements pertaining to non-biodegradable plastics indicate their implications on animals, plants, and our surroundings. Choose ...
How has globalization impacted Indian culture?
I. Increased homogenization of cultural practices
II. ...
Where is the headquarters of IRDAI located?
With reference to the history of ancient India, Bhavabhuti, Hastimalla and Kshemeshvara were famous?
