MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A ball is thrown vertically upwards. Which of the following graph/graphs represent velocity-time graph of the ball during its flight (air resistance is neglected) [CPMT 1993; AMU (Engg.) 2000] (A) (B) (C) (d) |
| A. | A |
| B. | B |
| C. | Product of intercept along Y-axis and mass of the electron |
| D. | D |
| Answer» E. | |
| 2. |
Which of the following velocity-time graphs shows a realistic situation for a body in motion [AIIMS 2004] |
| A. | |
| B. | |
| C. | The specific charges of Q and \[R\]are same |
| Answer» C. The specific charges of Q and \[R\]are same | |
| 3. |
A man goes 10m towards North, then 20m towards east then displacement is [KCET 1999; JIPMER 1999; AFMC 2003] |
| A. | 22.5m |
| B. | 25m |
| C. | \[9.1\times 10-31\] J-sec |
| D. | 30m |
| Answer» B. 25m | |
| 4. |
Assertion : An object can have constant speed but variable velocity. Reason : Speed is a scalar but velocity is a vector quantity. |
| A. | If both assertion and reason are true and the reason is the correct explanation of the assertion. |
| B. | If both assertion and reason are true but reason is not the correct explanation of the assertion. |
| C. | V1 < V2, Z1 > Z2 |
| D. | If the assertion and reason both are false. |
| E. | If assertion is false but reason is true. |
| Answer» B. If both assertion and reason are true but reason is not the correct explanation of the assertion. | |
| 5. |
Assertion : Displacement of a body is vector sum of the area under velocity-time graph. Reason : Displacement is a vector quantity. |
| A. | If both assertion and reason are true and the reason is the correct explanation of the assertion. |
| B. | If both assertion and reason are true but reason is not the correct explanation of the assertion. |
| C. | Characteristic radiations |
| D. | If the assertion and reason both are false. |
| E. | If assertion is false but reason is true. |
| Answer» B. If both assertion and reason are true but reason is not the correct explanation of the assertion. | |
| 6. |
Assertion : The relative velocity between any two bodies moving in opposite direction is equal to sum of the velocities of two bodies. Reason : Sometimes relative velocity between two bodies is equal to difference in velocities of the two. |
| A. | If both assertion and reason are true and the reason is the correct explanation of the assertion. |
| B. | If both assertion and reason are true but reason is not the correct explanation of the assertion. |
| C. | 0.4 V |
| D. | If the assertion and reason both are false. |
| E. | If assertion is false but reason is true. |
| Answer» C. 0.4 V | |
| 7. |
Assertion : Position-time graph of a stationary object is a straight line parallel to time axis. Reason : For a stationary object, position does not change with time. |
| A. | If both assertion and reason are true and the reason is the correct explanation of the assertion. |
| B. | If both assertion and reason are true but reason is not the correct explanation of the assertion. |
| C. | \[\frac{1}{{{\lambda }_{\beta }}}=\frac{1}{{{\lambda }_{\alpha }}}+\frac{1}{{{{{\lambda }'}}_{\alpha }}}\] |
| D. | If the assertion and reason both are false. |
| E. | If assertion is false but reason is true. |
| Answer» B. If both assertion and reason are true but reason is not the correct explanation of the assertion. | |