MCQ
A car accelerates on a horizontal road due to force exerted by
- AThe engine of the car
- BThe driver of the car
- CThe earth as weight of the car
- ✓The road
Due to frictional force by the road.
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| List $I$ | List $II$ |
| $A$ Microwaves | $I$ Radio active decay of the nucleus |
| $B$ Gamma rays | $II$ Rapid acceleration and deceleration of electron in aerials |
| $C$ Radio waves | $III$ Inner shell electrons |
| $D$ $X$-rays | $IV$ Klystron valve |
Choose the correct answer from the options given below




| List $I$ | List $II$ |
| $(A)$ Young's Modulus $(Y)$ | $(I)$ $\left[ M L ^{-1} T ^{-1}\right]$ |
| $(B)$ Co-efficient of Viscosity $(\eta)$ | $(II)$ $\left[ M L ^2 T ^{-1}\right]$ |
| $(C)$ Planck's Constant $(h)$ | $(III)$ $\left[ M L ^{-1} T ^{-2}\right]$ |
| $(D)$ Work Function $(\phi)$ | $(IV)$ $\left[ M L ^2 T ^{-2}\right]$ |
Choose the correct answer from the options given below: