paper no.5 physics

5
Created on By buzzerkings

MDCAT PHYSICS PAPER 5

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153. Electric forces change the magnitude and direction of velocity while magnetic forces change______ of velocity

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152. The drag force acting on a sphere of radius r moving slowly through a viscous fluid is proportional to:

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151. The unit of electromotive force is:

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150.  To observer the position of micro particle with greatest accuracy, one must use light of:

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149. Weber is a unit of:

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148. The property of bending of light around obstacles is called:

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147.  A Rocket moves according to the principle of conservation of:

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146. Radiationis the chief method of energy transfer:

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145.  A racing car accelerates uniformly through three gears, changes with the following average speed: 20 for 25, 40 for 2.05, 60 for 6 sec what is the over all average speed of the car?

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144. Light passes through two parallel slits and falls on a screen. The pattern produced is due to interference and:

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143.  Heating a gas at constant volume will cause:

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142. A student calculates the result of an experment as 1.65, 1.72 and 1.89. But when he checks its answer comes out to be 2.35. What would it be called?

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141.  A gas has a volume of 500ml at 760 torr. What will be the pressure if the volume is reduced to 300ml.

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140.  In an organ pipe, if a person blows it fast then Q what change will occurs in sound waves?

(i) speed

(ii) Amplitude.

(iii) Frequency

(iv) Intensity

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139.  For 0 to 10 degree celsius rise in temperature, volume of water will:

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138.  If resulting intensity is greater than individual intensities of two waves then it is:

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137.  A freely falling objects is an example of:

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136.  Which of the following electromagnetic phenomenon wave nature is not enough to explain?

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135.  In diffraction experiment, something done by moving apparatery away from screen such that plane wavelengths obtained. This describes:

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133. Work done by a constant source of 1Kw power that is 1000 J per sec in one hour

is:

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132. One volt can be defined as:

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131. A stone is whirled, it experiences an inward force by string which is:

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130. Which pair includes a scalar quantity and a vector quantity?

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129. At given t taken a body at rest which then moves with an acceleration, after 3sec, its momentum:

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128. If in a parallel plate capacitor we insert a metal sheet of half the thickness as compared with the spacing between the plates of the capacitor, the capacitance becomes:

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127. Which quantity can be described in terms of only two base quantities?

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126. A ball is thrown vertically upward with a velocity of 98 m/s. How high does the ball rise? g = 9.8 m/sec².

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125. A body is moving upward with a velocity of 500m/sec². What will be the height?

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124. Two masses of 7 kg and 3kg respectively are hanging on a frictionless pulley. Calculate the acceleration due to gravity.

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134. The focal length (f= 10cm). At what distance object should be placed to get an image twice size of object?

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