The shorter the wavelength of light, the higher its frequency
Indicate whether the statement is true or false
TRUE
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The sound of a jet engine is given as 120 dB. What is the intensity of the jet sound wave?
A. 1.0 W/m2 B. 0.8 W/m2 C. 0.6 W/m2 D. 0.4 W/m2 E. 0.2 W/m2
A 1.00-kg piece of iron at 655°C is dropped into a calorimeter of negligible heat capacity containing 50.1 g of water at 30°C. What is the final temperature of the system? The specific heat of iron is 448 J/(kg K)
the specific heat of steam is 2010 J/(kg K). and the latent heat of vaporization of water is 22.6 × 105 J/kg. A) 100°C B) 210°C C) 320°C D) 430°C E) 635°C
A sound level of 80 dB has twenty times the amplitude of a 60 dB sound
a. True b. False Indicate whether the statement is true or false
A ten loop coil of area 0.23 m2 is in a 0.047 T uniform magnetic field oriented so that the maximum flux goes through the coil. This flux is
A) 3.4 × 10-2 Tm2. B) 1.1 × 10-3 Tm2. C) 3.4 × 10-1 Tm2. D) 1.1 × 10-2 Tm2. E) 1.1 × 10-1 Tm2.