MDCAT ECAT Physics MCQs

Correct answer C. 12.4 keV

Correct answer C. 622 nm

Correct answer D. 414 nm

Correct answer C. 1.0 × 10⁻²⁷ kg m/s

Correct answer B. 3.2 × 10¹⁵

Correct answer B. 1.5 eV

Correct answer D. 5.6 × 10¹⁴ Hz

Correct answer A. 1.8 V

Correct answer A. 1.5

Correct answer B. 1.0 × 10¹⁵ Hz

Correct answer D. Light energy arrives in discrete packets called photons

Correct answer A. The frequency of the light and the work function of the metal

Correct answer D. p = h/λ

Correct answer B. It is the same for all frequencies

Correct answer B. the intensity of the light

Correct answer A. hf = φ + K.E.max

Correct answer C. 1.6 × 10⁻¹⁹ J

Correct answer B. The photoelectric effect

Correct answer A. It is longer

Correct answer D. 3.3 × 10⁻¹⁹ J