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Mdcat-past-papers - IBA Quiz

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121. K is called specific rate constant because it is:



122. Number of sigma bonds in methyl chloride is due to spies overlap is/are:



123. When pressure is 1520 torr then density of oxygen gas will be:



124. Which equation is used to calculate concentration for n mole of an ideal gas?



125. One of Mg is burnt with 32g of oxygen to form MgO, amount of excess reagent left is?



126. Which carbonyl carbon is more electrophilic:



127. An electron is projected along the positive x-axis in a magnetic field lying in xz-plane. The magnetic force on the electron will act along the:



128. The magnetic flux through a loop of 1 m² in a 0.5T magnetic field is same as magnetic flux through a loop of 0.5 m² in a magnetic field of:



129. A body of mass 10 kg is falling through a viscous medium and reached terminal velocity. The net force on the body will be:



130. The value of temperature co-efficient of a conductor is zero. This indicates that with the rise in temperature, resistance of conductor:



131. The path difference between two sound waves coming from a coherent source of wavelength 50 cm at a point is 100 cm. The superposition of the waves at that point produces:



132. Potential energy decreases in the process of:



133. A diver of mass m is swimming at a depth h below the sea level. If the reference level is taken at sea level, the gravitational potential energy of the diver is:



134. A constant force F acts on a body and displaces it by distance Ad in a time dt. The rate at which force is doing work is:



135. In circular motion, if angular displacement is kept constant, decreasing the radius will:



136. When force and displacement are in opposite direction then the work done is said to be:



137. In a step-up transformer, if the secondary voltage is increased by a factor of 10, the current in secondary coil will be:



138. When a droplet reaches terminal velocity, its acceleration is:



139. Newton's original formula underestimated speed of sound in air because he:



140. The point where the electric field is zero between two opposite charge lies: