Undergraduate

Download Q&A
Q. What is the formula for calculating the induced EMF in a coil? (2023)
  • A. E = -dΦ/dt
  • B. E = R * I
  • C. E = V * I
  • D. E = L * di/dt
Q. What is the formula for calculating the number of atoms in a face-centered cubic unit cell? (2022)
  • A. N = 4
  • B. N = 2
  • C. N = 1
  • D. N = 8
Q. What is the formula for calculating the number of moles from mass and molar mass? (2023)
  • A. moles = mass × molar mass
  • B. moles = mass / molar mass
  • C. moles = molar mass / mass
  • D. moles = mass + molar mass
Q. What is the formula for calculating the number of moles from mass? (2023)
  • A. moles = mass / molar mass
  • B. moles = mass × molar mass
  • C. moles = mass + molar mass
  • D. moles = mass - molar mass
Q. What is the formula for calculating the number of moles of solute in a solution? (2023)
  • A. Molarity x Volume
  • B. Molarity / Volume
  • C. Volume / Molarity
  • D. Moles x Volume
Q. What is the formula for calculating the number of moles? (2023) 2023
  • A. Mass/Volume
  • B. Mass/Molar Mass
  • C. Volume/Mass
  • D. Molar Mass/Volume
Q. What is the formula for calculating the total current in a parallel RLC circuit? (2023)
  • A. I = V/R
  • B. I = V/(1/R + 1/X)
  • C. I = V/(R + X)
  • D. I = V/R + V/X
Q. What is the formula for calculating work done? (2023)
  • A. W = Fd cos(θ)
  • B. W = Fd sin(θ)
  • C. W = F + d
  • D. W = F/d
Q. What is the formula for kinetic energy? (2023)
  • A. KE = mv²
  • B. KE = 1/2 mv²
  • C. KE = mgh
  • D. KE = Fd
Q. What is the formula for the average power consumed in an AC circuit with a phase angle φ? (2020)
  • A. P = VI
  • B. P = VI cos(φ)
  • C. P = VI sin(φ)
  • D. P = V²/R
Q. What is the formula for the average power consumed in an AC circuit with a resistor? (2019)
  • A. P = VI
  • B. P = V²/R
  • C. P = I²R
  • D. All of the above
Q. What is the formula for the complex formed between iron(III) and thiocyanate? (2021)
  • A. [Fe(SCN)3]
  • B. [Fe(SCN)2]
  • C. [Fe(SCN)6]3+
  • D. [Fe(SCN)4]2-
Q. What is the formula for the inductive reactance (X_L) in an AC circuit? (2022)
  • A. X_L = 2πfL
  • B. X_L = R/L
  • C. X_L = 1/(2πfC)
  • D. X_L = V/I
Q. What is the formula for the magnetic field at the center of a circular loop of radius r carrying a current I? (2023)
  • A. B = μ₀I/2r
  • B. B = μ₀I/r
  • C. B = μ₀I/4r
  • D. B = μ₀I/πr
Q. What is the formula for the resonant frequency of an RLC circuit? (2021)
  • A. f = 1/(2π√(LC))
  • B. f = R/(2πL)
  • C. f = 1/(2πRC)
  • D. f = 2π√(LC)
Q. What is the formula for the total impedance in a parallel RLC circuit? (2023)
  • A. 1/Z = 1/Z1 + 1/Z2 + 1/Z3
  • B. Z = R + jX
  • C. Z = R
  • D.
  • . X
  • . Z = R + jωL - j/(ωC)
Q. What is the formula for the total impedance in a series RLC circuit? (2023)
  • A. Z = R + j(XL - XC)
  • B. Z = R + jXL + jXC
  • C. Z = R + jωL
  • D. Z = R + jωC
Q. What is the freezing point depression of a solution containing 1 mol of NaCl in 1 kg of water? (Kf for water = 1.86 °C kg/mol) (2023)
  • A. 1.86 °C
  • B. 3.72 °C
  • C. 2.00 °C
  • D. 0.93 °C
Q. What is the freezing point depression of a solution containing 1 mole of NaCl in 1 kg of water? (2022)
  • A. 1.86 °C
  • B. 3.72 °C
  • C. 2.52 °C
  • D. 0.93 °C
Q. What is the freezing point depression of a solution containing 1 mole of solute in 1 kg of water? (Kf for water = 1.86 °C kg/mol) (2020)
  • A. 1.86 °C
  • B. 3.72 °C
  • C. 0.93 °C
  • D. 2.78 °C
Q. What is the freezing point depression of a solution containing 3 moles of KCl in 1 kg of water? (Kf for water = 1.86 °C kg/mol) (2022)
  • A. 5.58 °C
  • B. 3.72 °C
  • C. 1.86 °C
  • D. 7.44 °C
Q. What is the frequency of a pendulum that completes 30 oscillations in 60 seconds? (2017)
  • A. 0.5 Hz
  • B. 1 Hz
  • C. 2 Hz
  • D. 3 Hz
Q. What is the frequency of a sound wave with a period of 0.01 seconds? (2014)
  • A. 100 Hz
  • B. 200 Hz
  • C. 50 Hz
  • D. 10 Hz
Q. What is the frequency of a tuning fork that vibrates 256 times in 2 seconds? (2019)
  • A. 128 Hz
  • B. 256 Hz
  • C. 512 Hz
  • D. 64 Hz
Q. What is the frequency of a wave if its wavelength is 2 meters and its speed is 340 m/s? (2021)
  • A. 170 Hz
  • B. 340 Hz
  • C. 68 Hz
  • D. 85 Hz
Q. What is the frequency of a wave if its wavelength is 2 meters and the speed of the wave is 10 m/s? (2022)
  • A. 2 Hz
  • B. 5 Hz
  • C. 10 Hz
  • D. 20 Hz
Q. What is the frequency of a wave if its wavelength is 2 meters and the speed of the wave is 340 m/s? (2020)
  • A. 170 Hz
  • B. 340 Hz
  • C. 85 Hz
  • D. 420 Hz
Q. What is the frequency of a wave with a period of 0.01 s? (2020)
  • A. 100 Hz
  • B. 50 Hz
  • C. 200 Hz
  • D. 10 Hz
Q. What is the frequency of a wave with a period of 0.1 s? (2020)
  • A. 10 Hz
  • B. 5 Hz
  • C. 20 Hz
  • D. 15 Hz
Q. What is the frequency of a wave with a period of 0.2 seconds?
  • A. 5 Hz
  • B. 10 Hz
  • C. 20 Hz
  • D. 50 Hz
Showing 2611 to 2640 of 5509 (184 Pages)
Soulshift Feedback ×

On a scale of 0–10, how likely are you to recommend The Soulshift Academy?

Not likely Very likely