15. A sound source emits a frequency f=72 (Hz) when stationary. Suppose the sound source and the observer are moving toward each other as shown in Figure 4, each at a speed equal to half the speed of sound, i.e., /2 and . What is the frequency fobserved by the observer? 

(A) f= 144 (Hz)
(B) f= 108 (Hz)
(C) f=157 (Hz)
(D) f=216 (Hz)

1. The permeability of free space is denoted as to, and the permittivity of free space is denoted as ∈0. What is the unit of μ0/∈0? (A) W2/Amp4 (B) Amp²/Volt² (C) W/Amp (D) Volt/Amp

2. The unit of angular momentum is (A) Joule/sec. (B) Joule/sec². (C) Joule sec² (D) Joule sec.

3. The unit of the electric field E is Volt/m and the unit of the magnetic field B is N/Amp m. What is the unit of E/B? (A) W (B) W/m² (C) m/sec (D) Joule/m²

4.Assume a 70 (Hz) electromagnetic wave is sinusoidal wave propagating in the z-direction with electric field E pointing in x-direction with amplitude Eo-6.00 (Volt/m). What is the amplitude of the magnetic field B0? (A) (Tesla) (B) (Tesla) (C) (Tesla) (D) (Tesla)

5.Calculate the wavelength of a 95×106 (Hz) radio wave with amplitude E0=5.42.00 (Volt/m). (A) 4.24 (m) (B) 3.16 (m) (C) 5.12 (m) (D) 2.55 (m)

6.Calculate the self-inductance of a 0.7(m) long air-filled solenoid 3.5(cm) in diameter containing 6300 loops. (A)J 0.068 (H) (B) 0.043 (H) (C) 0.077 (H) (D) 0.054 (H)

7.Calculate the capacitance of a parallel plate capacitor whose plate are 370 (cm²) and are separated by a 2.3(mm) air gap. (A)(F) (B) (F) (C) (F) (D) (F)

8. An electron travels at the speed 4×107(m/sec) in a plane perpendicular to a uniform magnetic field. If the resulting radius of circular motion is r=7.3×(m), find the magnitude of the magnetic field B. (A) 0.024 (Tesla) (B) 0.043 (Tesla) (C) 0.031 (Tesla) (D) 0.052 (Tesla)

9. A magnet moves at high speed relative to an observer and passes by an electron that is stationary relative to the same observer. At the instant the north pole of the magnet passes directly beneath the electron (as shown in Figure1), in which direction will the force acting on the electron point? (A) (B) 2 (C) 3 (D) 4

10. There are two inclined planes, with angles θ1=60° and θ2=45° relative to the horizontal. Two objects with masses M₁=2(kg) and M2=1(kg) (both are initially at rest) slide down the inclined planes from the same height h as shown in Figure 2. Assuming the time taken to reach the bottom (point A in the figure) are t1 and t2 respectively, what is the ratio?  (A) t1/t2=0.816 (B) t1/t2= 1.224 (C) t1/t2=1.150g (D) t1/t2=0.707

115年 - [無官方正解]115 國立臺灣大學_碩士班招生考試：普通物理學#137725

114年 - [無官方正解]114 國立中山大學_碩士班招生考試試題_物理系：普通物理#137736

114年 - 114 台灣聯合大學系統_碩士班招生考試：普通物理#137733

114年 - [無官方正解]114 臺灣綜合大學系統_學士班轉學生聯合招生考試試題：普通物理Ａ#129365

114年 - 114 臺灣綜合大學系統_學士班轉學生聯合招生考試試題：普通物理Ｂ#129362

114年 - 114 臺灣綜合大學系統_學士班轉學生聯合招生考試試題：普通物理Ｃ#129360

114年 - [無官方正解]114 國立臺灣大學_轉學生招生考試試題：普通物理學(A)#128199

114年 - [無官方正解]114 台灣聯合大學系統_學士班轉學生考試試題：普通物理#128198

114年 - 114 國立臺灣大學_碩士班招生考試：普通物理學#125985

113年 - 113 國立中山大學_碩士班暨碩士在職專班招生考試試題_物理系：普通物理#126282