The cylindrical tube of a spray pump has a cross-section of 8cm2 one end of which has 40 fine holes each of area 10-8 m2. If the liquid flows inside the tube with a speed of 0.15 m min-1 the speed with which the liquid is ejected through the holes is
 

1.  5O m/s
2.  5 m/s
3.  0.05 m/S
4.  O.5 m/S

Subtopic:  Equation of Continuity |
Please attempt this question first.
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Video/Text Solutions via Telegram Bot

High Yield NEET MCQ Books for 11th Physics & Chemistry

Which one of the following graph represents the variation of maximum kinetic energy (Ek) of the emitted electrons with frequency v in photoelectric effect correctly?
1. 
2. 
3. 
4. 
Subtopic:  Einstein's Photoelectric Equation |
Please attempt this question first.
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Video/Text Solutions via Telegram Bot

High Yield NEET MCQ Books for 11th Physics & Chemistry

A vessel of height 2 d is half filled with a liquid of refractive index and the other half with a liquid of refractive index n (the given liquids are immiscible). Then, the apparent depth of the inner surface of the bottom of the vessel (neglecting the thickness of the bottom of the vessel) will be

 

Subtopic:  Refraction at Plane Surface |
Please attempt this question first.
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Video/Text Solutions via Telegram Bot

High Yield NEET MCQ Books for 11th Physics & Chemistry

A shell of mass 20 kg at rest explodes into two fragments whose masses are in the ratio 2: 3. The smaller fragment moves with a velocity of 6 m/s. The kinetic energy of the larger fragment is
1.  96 J
2.  216 J
3.  144 J
4.  360 J

Subtopic:  Collisions |
Please attempt this question first.
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Video/Text Solutions via Telegram Bot

High Yield NEET MCQ Books for 11th Physics & Chemistry

An electric bulb has a rated power of 5O W at 100 V. If it is used on an AC source 200 V, SO Hz, a choke has to be used in series with it. This choke should have an inductance of
 
1.  0.1 mH
2.  1 mH
3.  0.1 H
4.  1.1 H

 

Subtopic:  Self - Inductance |
Please attempt this question first.
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Video/Text Solutions via Telegram Bot

High Yield NEET MCQ Books for 11th Physics & Chemistry

In Young's double slit experiment with sodium vapor lamp of wavelength 589 nm and the slits 0.589 mm apart, the half angular width of the central maximum is
 

 

Subtopic:  Young's Double Slit Experiment |
Please attempt this question first.
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Video/Text Solutions via Telegram Bot

High Yield NEET MCQ Books for 11th Physics & Chemistry

A parallel plate capacitor with air as the dielectric has capacitance C. A slab of dielectric constant K and having the same thickness as the separation between the plates is introduced so as to fill one-fourth of the capacitor as shown in the figure. The new capacitance will be 

 

Subtopic:  Dielectrics in Capacitors |
Please attempt this question first.
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Video/Text Solutions via Telegram Bot

High Yield NEET MCQ Books for 11th Physics & Chemistry

Three concurrent co-planar forces 1 N, 2 N and 3 N acting along different directions on a body
 

1.  Can keep the body in equilibrium if 2 N and 3 N act at right angle
2.  Can keep the body in equilibrium if 1 N and 2 N act at right angle
3.  Cannot keep the body in equilibrium
4.  Can keep the body in equilibrium in 1 N and 3 N acts at an acute angle

Subtopic:  Resultant of Vectors |
Please attempt this question first.
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Video/Text Solutions via Telegram Bot

High Yield NEET MCQ Books for 11th Physics & Chemistry

The work done by force acting on a body is as shown in the graph. The total work done in covering an initial distance of 20 m is 
 
1.  212.5 J
2.  200 J
3.  400 J
4.  175 J

 

Subtopic:  Work Done by Variable Force |
Please attempt this question first.
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Video/Text Solutions via Telegram Bot

High Yield NEET MCQ Books for 11th Physics & Chemistry

Horizontal tube of non-uniform cross-section has radii of 0.1 m and 0.05 m respectively at M and N. For a streamline flow of liquid, the rate of liquid flow is 
 
1.  Changing continuously with time
2.  Greater at M than at N
3.  Greater at N than at M
4.  Same at M and N

 

Subtopic:  Equation of Continuity |
Please attempt this question first.
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Video/Text Solutions via Telegram Bot

High Yield NEET MCQ Books for 11th Physics & Chemistry