Kinematics [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics]: Questions 23 - 26 of 475
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Question 23
Question MCQ▾
Three different objects of masses m1, m2 and w3 are allowed to fall from rest and from the same point ‘O’ along three different friction less paths. The speeds of the three objects, on reaching the ground, will be in the ratio of
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | m1 : m2: m3 | |
c. | m1 : 2m2: 3m3 | |
d. | 1: 1: 1 |
Question 24
Question MCQ▾
Time taken by an object falling from rest to cover the height of h1 and h2 is respectively t1 and t2 then the ratio of ty to t2 is
Choices
Choice (4) | Response | |
---|---|---|
a. | 2h1: h2 | |
b. | : | |
c. | h1: h2 | |
d. | h1: 2h2 |
Question 25
Question MCQ▾
From the top of a multistoried building 40m tall, a boy projects a stone vertically upwards with an initial velocity of 10 ms-1 such that it eventually falls to the ground.
(1) After 4 s the stone will strike the ground
(2) After 2 s the stone will pass through the point from where it was projected
(3) Its velocity when it strikes the ground is 30 m/s
(4) Its velocity when it strikes the ground is 40 m/s
Choices
Choice (4) | Response | |
---|---|---|
a. | 1 and 3 | |
b. | 1 and 2 | |
c. | 1,2 and 3 | |
d. | 2 and 4 |
Question 26
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. |