Class 10th Ncert 9.1 Network,Childrens Wooden Kitchen Utensils Co,Boat Slips For Sale Cape Cod 01 - Easy Way
06.03.2021, adminSection A contains five questions of one mark each, Section B contains seven questions of two marks each, Section C contains twelve questions of three marks each, and Section D contains .91 questions of five marks. There is no overall choice. However, internal choices have been provided in two questions of one mark, two questions of two claxs, four questions of three marks and three questions of five marks weightage.
You have to attempt only one of the choices in such questions. Ncer may use the following values of physical constants wherever necessary. The graph of sin i versus sin r is as shown. Find the ratio of the velocity of class 10th ncert 9.1 network in the first medium to the velocity of light in the second medium.
Monochromatic light of frequency 6. What is the energy of a photon in the light beam? A network of resistors is connected to a 16 V battery with internal resistance of 1 as shown in the following figure. Compute the equivalent resistance of the network. Current through the circuit is measured as 5 A. What is the internal resistance of the battery? The diagram below shows a potentiometer set up. On ncett the jockey near to the end X of the potentiometer wire, the galvanometer pointer deflects to left.
On touching the jockey near to end Y of the potentiometer, the galvanometer pointer again deflects to left but now by a larger. Identify the fault in the circuit and explain, using appropriate equations or otherwise, how it leads to class 10th ncert 9.1 network a one-sided deflection.
Write the formula to be used for finding X from the observations. If the resistance R is increased, what will happen to balancing length? The figure shows two sinusoidal curves representing oscillating supply voltage and current in an ac circuit. Draw a phasor diagram to represent the class 10th ncert 9.1 network and supply voltage appropriately as phasors.
State the phase difference between the two quantities. Compare the following. Tanning effect produced on the skin by UV radiation incident directly on the skin and that class 10th ncert 9.1 network through glass window. What are universal gates? A TV nnetwork tower antenna is at a height of 20 m.
How much range can it cover if the receiving antenna is at a height of 25 m? The particle begins to move due to the presence of a charge Q that is kept fixed at the origin.
An electric dipole is kept first to the left and then to the right of a negatively charged infinite plane sheet having a uniform surface charge density. The arrows p1 and p2 show the directions of class 10th ncert 9.1 network electric dipole moment in the two cases. Identify for each case, whether the dipole is in stable or unstable equilibrium.
Justify each answer. Class 10th ncert 9.1 network, the dipole is kept in a similar way as shownnear an infinitely long straight wire having uniform negative linear charge density. A is made of usual resistance wire and B of an n-type semiconductor. In which bar is drift speed of free electrons greater?
Class 10th ncert 9.1 network the same class 10th ncert 9.1 network current continues to flow for a long time, how will the voltage drop across A and B be affected?
Derive an expression for the velocity vC of a positive ions passing undeflected through a region where crossed and uniform electric field E and magnetic field B are simultaneously present. Draw and justify the trajectory of identical positive ions whose velocity has a magnitude less than IvcI. A particle of mass m and charge q is in motion at speed v parallel to a long straight conductor carrying current I as shown.
Find magnitude and direction of electric field required so that the particle goes undeflected. A sinusoidal netdork of peak value 10 V is applied to a series LCR circuit in which resistance, capacitance and inductance have values ofand 1H respectively. Find i the peak voltage across the inductor at resonance ii quality factor of the circuit.
What is the principle of transformer? Explain how laminating the core of a transformer helps to reduce eddy current losses in it. Why the primary and secondary coils of a transformer are preferably wound on the same core. Show that in the free oscillations of an LC circuit, the sum of energies stored in the capacitor and the inductor is constant in time.
Draw a labelled ray diagram to show the image formation in a refracting type astronomical telescope in the normal adjustment position. Write two drawbacks of refracting type telescopes. Define resolving power of a telescope. Write the factors on which it depends. A telescope resolves whereas a microscope magnifies. Justify the statement. At the centre of the jar on the bottom surface is a dot.
Find the minimum diameter of a disc, such that when it is placed on the top surface symmetrically about the centre, the dot is invisible. In photoelectric effect, do all the ncwrt that absorb a photon come out as photoelectrons irrespective of their location? The stopping potential is found to be V.
How many different spectral lines are possible in the resulting spectrum? Which transition corresponds to the longest wavelength amongst them? Binding energy per nucleon versus mass number curve is as shown. How are protons, which are class 10th ncert 9.1 network charged, held together inside a nucleus? Explain the variation of potential energy of a pair of nucleons as a function of their separation.
State the significance of negative potential energy in this region? Draw the frequency spectrum of nerwork resulting modulated signal. Write the expression for the equivalent magnetic moment of a planer current loop of area A, having N turns and carrying a current i.
Use the expression to find the magnetic dipole moment of a revolving electron. A circular loop of radius r, having N turns and carrying current I, is kept in the XY plane. Obtain expression for the magnetic potential energy of the coil-magnetic field. A long solenoid with air core has n turns per unit length and carries a current I. Write an expression for magnetic intensity H in claas interior of the solenoid.
After some time, the bar is taken out and suspended freely with an unspun thread. Will the bar orient itself in magnetic meridian if i ii? Justify your answer in each case. In set A, the phase difference between the two waves emanating from the slits does not change. What difference will be class 10th ncert 9.1 network in the pattern obtained on the screen in the two set ups?
Deduce the expression for the resultant intensity in both the above mentioned set ups A and Bassuming that the waves emanating from the two slits have the same amplitude A and same wavelength. A third polaroid, now class 10th ncert 9.1 network in between these two polaroids, can be rotated. Find an expression for the dependence of the intensity of light I, transmitted by the system, on the angle between the pass axis of first and the third polaroid.
Draw a graph showing the dependence of I on. When an unpolarized light is incident on a plane glass surface, find the expression for the angle of incidence so that the reflected and refracted light rays are perpendicular nerwork each.
Class 10th ncert 9.1 network is the state of polarisation, of reflected and refracted light, under this condition?
Draw the classs diagram to determine the characteristics of a pnp transistor in common emitter configuration. Explain, using I-V characteristics, how the collector current changes with the base current.
How can i output resistance and ii current amplification factor be determined from the IV characteristics? Why are photodiodes preferably operated under reverse bias when the current in the forward bias is known to be more than that in reverse bias?
The two optoelectronic devices: � Photodiode and solar cell, have the same working principle but differ in terms of ncrt process of operation. Explain the difference between the two devices in terms of i biasing, ii junction area and iii I-V characteristics.
Tanning effect is significant for direct Nfert radiation; it is negligible for radiation coming through the glass. Angular width. The electric field, on either side, is directed towards the negatively charged sheet and its magnitude is newtork of the distance of the field point from the sheet. For position p1, dipole moment and electric field are parallel. For position p2, they are. The dipole will not be in equilibrium in any of the two netowrk.
Hence there will be a net non-zero force on the dipole in each case. Voltage drop across A will increase as the resistance of A increases with increase in temperature. Voltage drop across B will class 10th ncert 9.1 network as resistance of B will decrease with increase in temperature. Since initial velocity is perpendicular to E, the trajectory would be parabolic.
Laminations are thin, making the resistance higher. Eddy currents are confined within each thin lamination. This reduces class 10th ncert 9.1 network net eddy current.
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Class 6 Maths Ch 10 Ex 10.1 Using 10th Class Algebra Solution 4d |
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