NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics: Questions 53 - 57 of 5119
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Question 53
Question Assertion-Reason▾
Assertion(Ꭺ)
Unit of Rydberg constant R is m-l
Reason(Ꭱ)
It follows from Bohr՚s formula the symbols have their usual meaning.
Choices
Choice (4) | Response | |
---|---|---|
a. | Ꭺ is false but Ꭱ is true | |
b. | Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ | |
c. | Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ | |
d. | Both Ꭺ and Ꭱ are false |
Question 54
Question MCQ▾
A body travels for 15 second starting from rest with constant acceleration. If it travels distances S1 , S2 and S3 , in the first five seconds, second five seconds and next five seconds respectively the relation between S1 , S2 and S3 is
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 55
Question MCQ▾
A wire has a mass 0.3 + 0.003g, radius 0.5 + 0.005 mm and length 6 + 0.06 cm. The maximum percentage error in the measurement of its density is
Choices
Choice (4) | Response | |
---|---|---|
a. | 2 | |
b. | 3 | |
c. | 1 | |
d. | 4 |
Question 56
Question MCQ▾
What is the relationship between dyne and newton of force?
Choices
Choice (4) | Response | |
---|---|---|
a. | l dyne = 107 newton | |
b. | 1 dyne = 10-7 newton | |
c. | 1 dyne = 10 - 5 newton | |
d. | l dyne = 105 newton |
Question 57
Question MCQ▾
A particle moves along x-axis with acceleration a = a0 (1 – t/T) where a0 and T are constants if velocity at t = 0 is zero then find the average velocity from t = 0 to the time when a = 0.
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |