SINDH MDCAT 2019

1. Which particle (marked A) is obtained in following nuclear reaction?

2. The Laplace’s correction to Newton’s formula is based on the fact that the compressions and rarefactions occur as:

3. A car 500 Kg is travelling at a constant speed of 9 m/s rounds a curve of 100 m. What is the centripetal force?

4. When a train while whistling passes near you, a considerable change in the pitch of sound is heard. When the train is moving away, the pitch of the sound _____ whereas the pitch of the sound _____ when the train is approaching.

5. The vector product of two vectors A and B is _____ vectors A and B.

6. If conductor carrying current I is placed In uniform magnetic field B, it experiences a magnetic force F. The direction of this force F _____ .

7. A battery of 12 volts Is connected to three resistors of 4 Ohm, 5 Ohm and 3 Ohm joined together in parallel. The current through the 3 Ohm resistance is:

8. If time interval between occurrence of two events is measured in a frame with no relative motion in which two events occur. Then the time t measured by observer in a frame moving with relative velocity v is _____ .

9. A traveling wave, in which the particle of distributed medium move parallel to the direction of propagation of the wave is called :

10. An electron I. moving with velocity v has momentum . The do Broglie wavelength associated with it is _____ .