Posted On : 30-Jan-2018

Q1: What does C.W in a laser mean

• A. Constant white
• B. Continuous wave
• C. Circular wave
• D. Clear white

Q2: High frequency band is of what range

• A. 100 kHz
• B. 30 to 300 MHz
• C. 3 to 30 MHz
• D. 1 GHz

Q3: What are three types of lasers?

• A. Pointer, diode, CD
• B. Gas, metal vapor, rock
• C. Gas, solid state, diode
• D. Diode, inverted, pointer

Q4: Name the process responsible for amplification of light

• A. Planck?s radiation
• B. Einstein oscillation
• C. Blackbody radiation
• D. Stimulated emission

Q5: What does VVVF stand for?

• A. Variable Voltage Variable Frequency
• B. Variant Voltage Vile Frequency
• C. Variable Velocity Variable Fun
• D. Very Very Vicious Frequency

Q6: What is the process responsible for producing photons in a diode laser?

• A. Majority carrier injection
• B. Fermi level shift
• C. Carrier freeze out
• D. Electron-hole recombination

Q7: The electromagnetic coils on the neck of the picture tube are called as

• A. Capacitor
• B. Transformer
• C. Yoke
• D. Diode

Q8: What is the name of the transformer that develops high voltage in television

• A. Yoke
• B. Tesla coil
• C. Flyback
• D. Van de Graaf

Q9: What is a type of EEPROM

• A. Flange
• B. Fury
• C. FRAM
• D. Flash

Q10: The NTSC is also used in which country

• A. France
• B. England
• C. Germany
• D. Japan