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Mdcat-past-papers - NUMS - Physics Quiz

Filters: Board: NUMS | Subject: Physics |
81. A 10N force moves a body around a circular path of radius 50cm. What is work done in completing one revolution?



82. If we double both the speed and radius of circular path the centripetal force will be:



83. When an object experiences circular motion, the direction of centripetal acceleration is:



84. The minimum required velocity to put a satellite into the orbit is called:



85. In case of centripetal force, the value of instantaneous acceleration is given by:



86. A disc, a hoop and a sphere are rolling down from an inclined plane simultaneously, which object will reach at the bottom first?



87. The angular form of centripetal force is:



88. A 2 kg mass in SHM under F = −200x, velocity at mean = 100 m/s. Amplitude?



89. Number of wavelengths per unit time is:



90. To make frequency 4× in spring oscillation, we must:



91. If period of mass M is 1s, period of 16M is:



92. A 10 kg mass attached to spring (k = 20 N/m), displacement = 20 cm. Acceleration?



93. Trough of a wave acts as:



94. Crest of wave acts as:



95. The horizontal distance travelled by wave during one complete cycle is called:



96. In transverse wave, the portion above the mean level is called?



97. The maximum displacement of particle of a medium, on either side of the mean position of a wave is called:



98. A normal person can hear sound waves ranging in frequency from 20Hz to 20kHz. The maximum wavelength is:



99. In ripple tank 40 waves pass through a certain point in one second. If the wavelength of the waves is 5cm, then find the speed of wave



100. The speed of sound is 332ms⁻¹ at 0°C. The speed at 10°C will be