What is the main objective of the BIMSTEC Faculties Exchange Programme in Dhaka?
When is the International Day of Zero Waste celebrated?
1 Crore+ students have signed up on EduRev. Have you? Download the App |
Match List 1 with List 2 and choose the correct answer form the code given below:
What amount has been allotted to the ‘National Quantum Mission’?
Utkal Diwas 2024, recently seen in news, is related with which state?
Mr. Ajay mostly takes aid of black board for explaining tough topics. By doing so he is aiming at
a. making his subject interesting
b. simplifying the tough topics
c. keeping the speed of the lecture moderate
A marble block of mass 2 kg lying on ice when given a velocity of 6 ms-1 is stopped by friction in 10 s. Then the coefficient of friction is
Four particles, each of mass M, move along a circle of radius R under the action of their mutual gravitational attraction. (Take that gravitational force between two point masses m1 and m2 separated by is The speed of each particle is
A parallel beam of light of wavelength 500 nm falls on a narrow slit and the resulting diffraction pattern is observed on a screen 1 m away. It is observed that the first minimum is at a distance of 2.5 mm from the centre of the screen. Find the width of the slit.
The principle of electromagnetic induction is used in which of the following phenomenon
Relation between torque and angular momentum is similar to the relation between
A point charge causes an electric flux of −1.0×103 Nm2/C to pass through a spherical Gaussian surface of 10.0 cm radius centered on the charge.
(a) If the radius of the Gaussian surface were doubled, how much flux would pass through the surface?
(b) What is the value of the point charge?
An infinitely long hollow conducting cylinder with inner radius R/2 and outer radius R carries a uniform current density along its length. The magnitude of the magnetic field, as a function of the radial distance r from the axis is best represented by
A thin wire of length 2m is perpendicular to the xy plane. It is moved with velocity through a region of magnetic induction Wb/m2. Then potential difference induced between the ends of the wire
Use the formula λm T = 0.29 cmK to obtain the characteristic temperature range for λm=5×10-7m
If the electric field is given by 6i+3j+4k calculate the electric flux through a surface of area 20 units lying in y-z plane.
A block rests on a rough inclined plane making an angle of 30o with the horizontal. The coefficient of static friction between the block and the plane is 0.8. If the frictional force on the block is 10 N, the mass of the block (in kg) is (Take g = 10 m/s2)
Two moles of an ideal gas (γ=1.4) expands slowly and adiabatically from a pressure of 5.00 atm and a volume of 12.0 L to a final volume of 30.0 L. What is the final pressure of the gas?
Two long thin, parallel conductors carrying equal currents in the same direction are fixed parallel to the x–axis, one passing through y = a and the other through y = –a. The resultant magnetic field due to the two conductors at any point is B. Which of the following are correct ?
An electric current i1 can flow either direction through loop (1) and induced current i2 in loop (2). Positive i1 is when current is from `a' to `b' in loop (1) and positive i2 is when the current is from `c' to `d' in loop (2)
In an experiment, the graph of i2 against time `t' is as shown below
Which one(s) of the following graphs could have caused i2 to behave as give above.
Bernoulli’s principle is based on the conservation of:
We use _________ to find the direction of force when two current carrying conductors are kept parallel to each other.
An electron travelling with a speed u along th e positive xaxis enters into a region of magnetic field where B = –B0 kˆ (x > 0). It comes out of the region with speed v then
The speed of electromagnetic waves in free space is given by .
Here μ0 is ___________and ε0 is ________________ of free space.
In electromagnetic induction, line integral of induced field E around a close path is __________, induced electric field is ___________.
A wire of length L and 3 identical cells of negligible internal resistances are connected in series. Due to the current, the temperature of the wire is raised by ΔT in a time t. A number N of similar cells is now connected in series with a wire of the same material and cross-section but of length 2L. The temperature of the wire is raised by the same amount ΔT in the same time t. the value of N is