MDCAT Physics Measurement MCQS Test Preparation
Home/MDCAT/MDCAT Physics Measurement MCQS MDCATPhysicsMDCAT Physics Measurement MCQS 51 MDCAT Physics Measurement MCQS Test Preparation <<12345678910111213141516171819202122232425262728>>1. During a short interval of time the speed v in m/s of an automobile is given by v = at2 + bt3,where the time t is in seconds. The units of a and b are respectively:a.m · s2; m · s4b.s3/m; s4/mc.m/s2; m/s3d.m/s3; m/s4Question 1 of 282. A gram is:a.10−3 kgb.1Kgc.103 kgd.10−6 kgQuestion 2 of 283. There is no SI base unit for area because:a. it is impossible to express square feet in terms of metersb.an area has no thickness; hence no physical standard can be builtc.we live in a three (not a two) dimensional worldd.area can be expressed in terms of square metersQuestion 3 of 284. The SI standard of time is based on:a.the frequency of light emitted by Kr86b.the daily rotation of the earthc.the yearly revolution of the earth about the sund.none of these Question 4 of 285. 3.2 × 2.7 =a.9b.8.64c.8.6d.8Question 5 of 286. A right circular cylinder with a radius of 2.3 cm and a height of 1.4 cm has a total surface area of:a.1.7 × 10−3 m2b.2.0 × 10−3 m3c.5.3 × 10−3 m2d.3.2 × 10−3 m2Question 6 of 287. Suppose A = BC, where A has the dimension L/M and C has the dimension L/T. Then B has the dimension:a.L2/TMb.TM/L2c. T/Md.L2T/MQuestion 7 of 288. The SI standard of length is based on:a. the speed of lightb.wavelength of light emitted by Hg168c.the distance from the north pole to the equator along a meridian passing through Parisd.wavelength of light emitted by Kr86Question 8 of 289. (7.0 × 106)/(2.0 × 10−6) =a.3.5 × 1012b.3.5 c.3.5 × 10−12d.3.5 × 10−6Question 9 of 2810. 1 mi is equivalent to 1609 m so 55 mph is:a.88 m/sb.25 m/sc. 15 m/sd.66 m/s Question 10 of 2811. A sphere with a radius of 1.7 cm has a volume ofa.3.6 × 10−3 m3b.9.1 × 10−4 m3c.0.11 m3d.2.1 × 10−5 m3Question 11 of 2812. The SI base unit for mass is:a.poundb.kilogramc.ounced.gramQuestion 12 of 2813. A right circular cylinder with a radius of 2.3 cm and a height of 1.4 m has a volume of:a.9.3 × 10−3 m3b.0.20 m3c.0.14 m3d.2.3 × 10−3 m3Question 13 of 2814. (5.0 × 104) × (3.0 × 10−6) =a.1.5 × 10−3b.1.5 × 101c.1.5 × 103d.1.5 × 10−1Question 14 of 2815. In 1866, the U. S. Congress defined the U. S. yard as exactly 3600/3937 international meter. This was done primarily because:a. length can be measured more accurately in meters than in yardsb.this definition relates the common U. S. length units to a more widely used systemc.the meter is more stable than the yardd.there are more wavelengths in a yard than in a meterQuestion 15 of 2816. 5.0 × 105 + 3.0 × 106 =a.3.5 × 105b.8.0 × 106c.3.5 × 106d.8.0 × 105Question 16 of 2817. A square with an edge of exactly 1 cm has an area of:a.104 m2b.102 m2c.10−6 m2d.10−4 m2Question 17 of 2818. A cubic box with an edge of exactly 1 cm has a volume of:a.10−9 m3b.103 m3c.10−6 m3d.10−3 m3Question 18 of 2819. The number of significant figures in 15.0 is:a.3b.4c.1d.2Question 19 of 2820. A sphere with a radius of 1.7 cm has a surface area of:a.0.11 m2b.3.6 × 10−3m2c.2.1 × 10−5 m2d.9.1 × 10−4 m2Question 20 of 2821. The number of significant figures in 0.00150 is:a.5b.3c.2d.4Question 21 of 2822. 1.513 + 27.3 =a.28.9 b.29 c.28.81d.28.8 Question 22 of 2823. Which of the following weight about a pound?a.5 kgb.0.5 kgc.0.05 kgd.50 kgQuestion 23 of 2824. nanosecond isa.109b.10-12c.106d.10-9Question 24 of 2825. Which of the following is closest to a yard in length?a.0.01 mb.1 mc.0.1 md.100 mQuestion 25 of 2826. 1 m is equivalent to 3.281 ft. A cube with an edge of 1.5 ft has a volume of:a.10.5 m3b.9.6 × 10−2 m3c.9.5 × 10−2 m3d.1.2 × 102 m3Question 26 of 2827. Suppose A = BnCm, where A has dimensions LT, B has dimensions L2T−1, and C hasdimensions LT2. Then the exponents n and m have the values:a. 4/5; −1/5b. 1/5; 3/5c.2; 3d.2/3; 1/3Question 27 of 2828. (5.0 × 104) × (3.0 × 106)=a.1.5 × 1011b.1.5 × 1012c.1.5 × 1010d.1.5 × 109Question 28 of 28 Loading... 51 Facebook Twitter Messenger Messenger WhatsApp Share via Email Print
