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1. Of the following gases, the most abundant in theatmosphere isA. oxygen.B. nitrogen.C. carbon dioxide.D. argon.2. Weather phenomena such as clouds and storms are found intheA. thermosphere.B. stratosphere.C. troposphere.D. ionosphere.3. The highest of the following is/are:A. the summit of Mt. Everest.B. cirrus clouds.C. the ozone layer.D. the ionosphere.
4. Atmospheric pressure is half its sea-level value at analtitude ofA. 1 km (3300 ft).B. 5 km (16,400 ft).C. 20 km (12.4 mi).D. 100 km (62 mi).5. Average atmospheric pressure does not correspondtoA. 1013 mb.B. 1.013 N/m2.C. 101.3 kPa.D. 14.7 lb/in.2.
6. The ozone in the stratosphereA. reflects radio waves.B. reflects solar ultraviolet radiation.C. absorbs solar ultraviolet radiation.D. is responsible for the blue color of the sky.7. The breakdown of the ozone layer is promoted by theemission into the atmosphere ofA. carbon dioxide from the burning of fossil fuels.B. sulfuric acid from the burning of fossil fuels.C. unburned hydrocarbons in the exhausts of gasolineengines.D. chlorofluorocarbon (CFC) gases used in refrigeration.8. Temperatures in the stratosphere increase with altitudebecause of the presence there ofA. water vapor.B. ozone.C. pollutants.D. CFCs.9. A temperature inversion that acts to trap smog inlocalities such as Los Angeles consists ofA. cold air above a layer of warm air.B. warm air above a layer of cold air.C. dry air above a layer of moist air.D. moist air above a layer of dry air.10. Saturated air has a relative humidity ofA. 0.B. 1%.C. 50%.D. 100%.11. When saturated air is warmed,A. it becomes able to take up more water vapor.B. some of its water content condenses out.C. the relative humidity goes up.D. snow begins to fall.12. The lower the temperature of a volume of air,theA. more water vapor it can hold.B. less water vapor it can hold.C. greater its possible relative humidity.D. lower its possible relative humidity.13. When the temperature of a volume of air is equal to itsdew point, the relative humidity of the air isA. 0.B. 50%.C. 100%.D. 200%.
A car accelerates uniformly from rest to a speed of 35.0 mi/h in 9.0 s, find the constant acceleration of the car
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a tennis ball of mass mt is held just above a basketball of mass mb and radius rb. with their centers vertically
n air-filled spherical capacitor is constructed with inner and outer shell radii of 7.00 and 14.0 cm, respectively. Calculate the capacitance of the device
A neutral particle moving with velocty, v, decays into two photons moving with angles, a1=30 degrees and a2=60 degrees with respect to the intial velocty of the particle. Find velocty v.
a child pulls an 15 kg- wagon with a horizontal handle whose mass is 1.9 kg accelerating the wagon and handle at 2.5
Light from a He-Ne laser of wavelength 633 nm passes through a circular aperture. It is observed on a screen 4.0 m behind the aperture. compute the diameter of the hole
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