07-12-2022, 12:45 PM 
		
	
	
		Attached are the Physics Question paper with answer keys (Tamil & English Medium) of Tamilnadu +2 Annual Exam 2022.
A short look into the question paper:
(a) Phase modulation   (b) Amplitude modulation ©Pulse width modulation   (d) Frequency modulation
60 W bulb for use in USA will be :
(a)R/4 (b)R ©R/2(d) 2R
	
A short look into the question paper:
- Which one of the following is the natural nanomaterial ?
 
- The variation of frequency of carrier wave with respect to the instantaneous
 
(a) Phase modulation   (b) Amplitude modulation ©Pulse width modulation   (d) Frequency modulation
- In India electricity is supplied for domestic use at 220 V. It is supplied at 110 V in
 
60 W bulb for use in USA will be :
(a)R/4 (b)R ©R/2(d) 2R
- What is corona discharge?
 - Define electrical resistivity.
 - Draw the circuit diagram of NPN transistor in Common Emitter Configuration.
 - Obtain the equation for bandwidth in Young’s Double Slit Experiment.
 

