PHYSICS ONE LINER SET 27

PHYSICS ONE LINER SET 27

1. Which type of glass can cut of ultraviolet rays? Crookes glass
 
2. Which phenomena can not be attributed to the refraction of light? Redshift
 
3. Which feature is the product of vulcancity? Atoll
 
4. How is the frequency of ultrasound wave typically? Above 20,000 kHz
 
5. With which name of the particle ‘Boson’ is associated? S. N. Bose
 
6. What is the frequency of a wave whose time-period is 0.05 second? 20 Hz
 
7. Which is technique used to transmit audio signal in television broadcasts? Frequency modulation
 
8. Why does Kerosene oil rise up in the wick of lantern? Because of surface
tension
 
9. What is Maximum value of the wavelength of ultrasonic waves? 1.65 cm
 
10. If the density of water is 1 gcm-3 in C.G.S. System, what is its value in M.K.S. system?
10^3 kg m^-3