NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Chemistry Coaching Programs
πΉ Video Course 2024 (8 Lectures [4 Hrs : 33 Mins]): Offline Support
Click Here to View & Get Complete Material
Rs. 100.00
1 Month Validity (Multiple Devices)
β³ π― Online Tests (5 Tests [50 Questions Each]): NTA Pattern, Analytics & Explanations
Click Here to View & Get Complete Material
Rs. 500.00
3 Year Validity (Multiple Devices)
π Study Material (159 Notes): 2024-2025 Syllabus
Click Here to View & Get Complete Material
Rs. 350.00
3 Year Validity (Multiple Devices)
π― 3111 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)
Click Here to View & Get Complete Material
Rs. 650.00
3 Year Validity (Multiple Devices)
NCERT Physics Class 11 Exemplar Ch 10 Mechanical Properties of Fluids Part 1
Q.1 A tall cylinder is filled with viscous oil. A round pebble is dropped from the top with zero initial velocity. From the plot shown in Fig. , indicate the one that represents the velocity of the pebble as a function of time
Answer: (c)
Q.2 Which of the following diagrams (Fig.) does not represent a streamline flow?
Answer: (d)
Q.3 Along a streamline
(a) the velocity of a fluid particle remains constant.
(b) the velocity of all fluid particles crossing a given position is constant.
(c) the velocity of all fluid particles at a given instant is constant.
(d) the speed of a fluid particle remains constant.
Answer: (b)
Q.4 An ideal fluid flows through a pipe of circular cross-section made of two sections with diameters and . The ratio of the velocities in the two pipes is.
(a)
(b)
(c)
(d)
Answer: (a)
Q.5 The angle of contact at the interface of water-glass is Ethyl alcohol-glass is Mercury-glass is and Methyliodide glass is A glass capillary is put in a trough containing one of these four liquids. It is observed that the meniscus is convex. The liquid in the trough is
(a) Water
(b) ethyl alcohol
(c) mercury
(d) Methyliodide
Answer: (c)