A) 20 ms-2 B) 2 ms-2 C) 5 ms-2 D) 25 ms-2
A) 12.1 ms-1 B) 21.0 ms-1 C) 4.0 ms-1 D) 6.6 ms-1 ![]()
A) decelerates between F and H B) Accelerates between points F and G C) has no acceleration between point F and G D) has a constant soeed between points E and F
A) a disadvantage because it is in the opposite direction of the motion of the car B) an advantage because it is in the direction of the motion of the car C) a disadvantage because it is in the direction of the motion of the car D) an advantage because it is in the opposite direction of the motion of the car ![]()
A) B B) A C) C D) D
A) Law of gravity B) Law of interaction C) Law of inertial D) Law of acceleration
A) The 1st law of motion B) The 3rd law of motion C) The 2nd law of motion D) The 4th law of motion
A) Ball bearing B) Projectile C) Pendulum D) Spring balance
A) Fan B) Spring C) Lubricant D) Pendulum
A) -40m/s B) -20m/s C) 40m/s D) 20m/s
A) -7ms-² B) 4ms-² C) -4ms-² D) 7ms-²
A) Trajectory B) Parabola C) Projectile D) Kite
A) It acts at right angle to either vectors B) It has no direction C) It acts in the direction of the smaller vector D) It acts in the direction of the larger vector
A) Work B) Weight C) Power D) Time
A) Nylon B) Rubber C) Leaf D) Copper
A) Chemical energy B) Sound energy C) Potential energy D) Kinetic energy
A) 2 B) 20 C) 10 D) 12
A) 0.02 B) 25 C) 0.002 D) 50
A) 4N/m² B) 20N/m² C) 2N/m² D) 40N/m²
A) Elastic limit B) Maximum height C) Maximum load D) Maximum range
A) Electric potential B) Conductivity C) Resistivity D) Electric field intensity
A) First B) Second C) Third D) Fourth ![]()
A) c B) a C) b D) d
A) Galvanometer B) Jockey C) Variable resistor D) Rheostat
A) Multiplier B) Potentiometer C) Wheatstone bridge D) Shunt
A) Electrode B) Cell C) Galvanometer D) Electrolyte
A) Electromotive force B) Voltage C) Resistance D) Charge
A) Anion B) Anode C) Cathode D) Cation
A) qq/ 4π£oR² B) Q/ 4π£oR C) Q/ 4π£oR² D) Qq/ 4π£oR²
A) 1.6×10-⁹ C B) 3×10⁸ m/s C) 9×10⁹ u/F D) 8.85×10-¹² u/F
A) Primary cell B) Secondary cell C) Fuel cell D) Reserve cell
A) Third B) Second C) First D) Forth
A) Third B) Second C) First D) Forth
A) Mechanical advantage of the machine B) Velocity ratio of the machine C) Work done by the machine D) Work done on the machine
A) Type of machine B) Velocity ratio C) Mechanical advantage D) None
A) The diffusion of a gas is inversely proportional to the square root of its vapour density at constant temperature B) The induced current flows in such a way as to oppose the motion producing it C) The extension of a material is directly proportional to the load or force applied if the elastic limit is not exceeded D) The current flowing through a conductor between two points is directly proportional to the voltage across the two points, provided the temperature remains constant.
A) Sugar B) Glass C) Salt D) None
A) Viscosity B) Cohesion C) Fricton D) Adhesion
A) Resistance B) Current C) Voltage D) EMF
A) Movement of ions the their respective electrodes B) Deposition of substances at the electrodes C) Dissociation of the electrolyte into constituent ions D) Formation of a compound by the liberated substances |