Undergraduate

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Q. The female reproductive part of a flower is called the: (2022)
  • A. Stamen
  • B. Pistil
  • C. Petal
  • D. Sepal
Q. The five-kingdom classification system was proposed by: (2019)
  • A. Linnaeus
  • B. Whittaker
  • C. Haeckel
  • D. Darwin
Q. The force experienced by a charged particle moving in a magnetic field is given by which law? (2020)
  • A. Coulomb's Law
  • B. Lorentz Force Law
  • C. Faraday's Law
  • D. Ampere's Law
Q. The force experienced by a charged particle moving in a magnetic field is maximum when the angle between the velocity and magnetic field is: (2020)
  • A. 0 degrees
  • B. 90 degrees
  • C. 180 degrees
  • D. 45 degrees
Q. The force on a charged particle in a magnetic field is maximum when the angle between the velocity and the magnetic field is: (2021)
  • A. 0 degrees
  • B. 90 degrees
  • C. 180 degrees
  • D. 45 degrees
Q. The force on a charged particle moving in a magnetic field is given by which law? (2021)
  • A. Coulomb's Law
  • B. Lorentz Force Law
  • C. Faraday's Law
  • D. Ampere's Law
Q. The force on a charged particle moving in a magnetic field is maximum when the angle between the velocity and magnetic field is: (2021)
  • A. 0 degrees
  • B. 90 degrees
  • C. 180 degrees
  • D. 45 degrees
Q. The force on a charged particle moving in a magnetic field is maximum when the angle between the velocity and the magnetic field is: (2021)
  • A. 0 degrees
  • B. 90 degrees
  • C. 180 degrees
  • D. 45 degrees
Q. The force on a charged particle moving in a magnetic field is maximum when: (2021)
  • A. The particle moves parallel to the field
  • B. The particle moves perpendicular to the field
  • C. The particle is at rest
  • D. The particle moves in a circular path
Q. The forward bias condition in a diode occurs when: (2020)
  • A. Anode is at a higher potential than cathode
  • B. Cathode is at a higher potential than anode
  • C. Both terminals are at the same potential
  • D. None of the above
Q. The frequency of a simple harmonic oscillator is 5 Hz. What is its angular frequency? (2020)
  • A. 10 rad/s
  • B. 5 rad/s
  • C. 15 rad/s
  • D. 20 rad/s
Q. The frequency of a tuning fork is 440 Hz. What is the time period of the fork? (2019)
  • A. 0.00227 s
  • B. 0.0045 s
  • C. 0.01 s
  • D. 0.005 s
Q. The frequency of a tuning fork is 440 Hz. What is the time period of the sound wave produced? (2022)
  • A. 0.00227 s
  • B. 0.0045 s
  • C. 0.01 s
  • D. 0.005 s
Q. The frequency of a wave is 10 Hz. What is the frequency of its second harmonic? (2021)
  • A. 5 Hz
  • B. 10 Hz
  • C. 20 Hz
  • D. 30 Hz
Q. The frequency of a wave is doubled. How does this affect its wavelength if the speed of the wave remains constant? (2022)
  • A. Wavelength doubles
  • B. Wavelength halves
  • C. Wavelength remains the same
  • D. Wavelength quadruples
Q. The Freundlich adsorption isotherm is best described by which equation? (2023)
  • A. x/m = kP
  • B. x/m = kP^(1/n)
  • C. P = k(x/m)
  • D. P = k(x/m)^(1/n)
Q. The fusion of male and female gametes in plants is known as: (2021)
  • A. Fertilization
  • B. Pollination
  • C. Germination
  • D. Mitosis
Q. The gravitational field strength at a distance r from a mass M is given by which formula? (2022)
  • A. GM/r^2
  • B. Gm/r^2
  • C. M/r^2
  • D. G/r^2
Q. The gravitational force between two objects is 10 N. If the distance between them is tripled, what will be the new force? (2022)
  • A. 10 N
  • B. 5 N
  • C. 1.11 N
  • D. 0.11 N
Q. The gravitational force is a function of which of the following? (2023)
  • A. Masses and distance
  • B. Masses only
  • C. Distance only
  • D. Masses and velocity
Q. The gravitational force is a: (2023)
  • A. Contact force
  • B. Non-contact force
  • C. Frictional force
  • D. Centripetal force
Q. The gravitational potential energy of an object is defined as: (2023)
  • A. The work done against gravity
  • B. The kinetic energy of the object
  • C. The energy due to motion
  • D. The energy stored in the object
Q. The gravitational potential energy of an object of mass m at a height h is given by which formula? (2023)
  • A. mgh
  • B. gh/m
  • C. mg/h
  • D. m/hg
Q. The gravitational potential energy of an object of mass m at a height h is given by: (2022)
  • A. mgh
  • B. gh/m
  • C. mg/h
  • D. mgh²
Q. The gravitational potential energy of an object of mass m at height h is given by which formula? (2023)
  • A. mgh
  • B. gh/m
  • C. mg/h
  • D. m/hg
Q. The half-life of a first-order reaction is dependent on which of the following? (2020) 2020
  • A. Initial concentration of reactants
  • B. Rate constant
  • C. Temperature
  • D. All of the above
Q. The half-life of a first-order reaction is given by which of the following expressions? (2020)
  • A. t1/2 = 0.693/k
  • B. t1/2 = k/0.693
  • C. t1/2 = 1/k
  • D. t1/2 = k/1
Q. The half-life of a first-order reaction is independent of the initial concentration of the reactant. What is the expression for the half-life? (2022)
  • A. t₁/₂ = 0.693/k
  • B. t₁/₂ = k/0.693
  • C. t₁/₂ = 1/k
  • D. t₁/₂ = k/1
Q. The half-life of a first-order reaction is independent of the initial concentration of the reactant. What is the expression for the half-life (t₁/₂)? (2022)
  • A. t₁/₂ = 0.693/k
  • B. t₁/₂ = k/0.693
  • C. t₁/₂ = 1/k
  • D. t₁/₂ = k/1
Q. The half-life of a first-order reaction is independent of the initial concentration of the reactant. What is the expression for the half-life (t1/2)? (2022)
  • A. t1/2 = 0.693/k
  • B. t1/2 = k/0.693
  • C. t1/2 = 1/k
  • D. t1/2 = k/2
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