Science Bowl Practice Questions – Physics

Science Bowl Practice Questions Physics - 15y) 60 degreesz) 90 degreesANSWER: Z -- 90 DEGREES91. Multiple Choice: A 10 volt battery connected to a capacitor delivers a charge of 0.5 coulombs. Thecapacitance of the capacitor is:w) 2 x 10-2 faradsx) 5 x 10-2 faradsy) 2 faradsz) 5 faradsANSWER: X -- 5 x 10-2 FARADS92. Multiple Choice: Two light rays will interfere constructively with maximum amplitude if the pathdifference between them is:w) one wavelengthx) one-half wavelengthy) one-quarter wavelengthz) one-eighth wavelengthANSWER: W -- ONE WAVELENGTH93. Multiple Choice: Light is normally incident on a thin soap film and is reflected. If the wavelength ofthis light is "L" and the index of refraction of the soap film is "N", complete destructive interferencewill occur for a film thickness of:w) L / 8Nx) L / 4Ny) L / 2Nz) 3L / 4NANSWER: Y -- L / 2N94. Multiple Choice: The Michelson interferometer was designed to study the nature of:w) water wavesx) sound wavesy) an "ether"z) sunlightANSWER: Y -- AN "ETHER"95. Multiple Choice: The Millikan experiment showed that electric charge was:w) negativex) quantizedy) positivez) unmeasurableANSWER: X -- QUANTIZED96. Multiple Choice: When a metal becomes a superconductor, there is a tremendous decrease in its:w) total volumex) electrical resistancey) lengthz) density