heory of electron diffraction ragg wavelength starting from each ring.

Q: 12. Calculate the center of mass of a 4 m long aluminum bar with cross-sectional area of 4 cm x 4 cm…

A: Given Data:  It is given that the length of the uniform bar is, L=4 m.  Axis of rotation is located…

Q: How much work is required to turn an electric dipole 180° in a uniform electric field of magnitude…

A:

Q: B A coin sits on a rotating turntable as shown in the figure. At the time shown in the figure, which…

A: We need to say what the direction of friction will be on the coin on turntable.

Q: If a 0.7 Tesla magnet moves into a 140 turn coil with an cross sectional area of 0.08 in 1.4…

A:

Q: 3) A proton enters a magnetic field of 10T and an electric field of 2000 N/C in such a way that it…

A: Moving particle is proton  Charge on proton (e) = 1.6×10-19 C  Magnetic field (B)= 10 Tesla…

Q: In the following diagram, the current passing through 20 Ohm is 1.5 A. 19. What is the current…

A:

Q: One leg of a right triangle measures 11 cm. The hypotenuse is 1 cm longer than the other leg. Find…

A:

Q: An infinitely long wire is uniformly charged. The voltage difference from r 2 m and r= 4 m is 30…

A: Given:    An infinitely long wire --- uniformly charged.    Voltage difference (ΔV) (between r1 = 4m…

Q: 9) How many electrons are moving through a current of 2A for 2 s? a) 3.2 x 10-19 b) 6.28 x 10 18 c)…

A: Given:          Current, I=2 A            Time, t=2 s Find: The number of electrons, n=?

Q: A force of magnitude P = 169 N is applied to the stationary machine handle as shown. Write the force…

A: Given:-  A force of magnitude of P = 169 N was applied to the machine handle. Find:-  Write the…

Q: Find the frequency of a wave that has a period of 0.063 seconds.

A: If the time period of wave is T, then  Frequency f=1/T

Q: 5. An object moving in the x-y plane has a position vector given by: 7 = (2t³ - 5t)i + (6 - t¹)ĵ (in…

A: Given  r→=(2t3-5t)i^+(6-t4)j^Required average velocity

Q: The square loop of wire in magnetic field B (B = (Be/a)(zi + xk)} is in the x-y plane and its center…

A: Given, Magnetic field, width of square loop is, L=l current flowing through the wire is, i = I Now…

Q: 11) What is the current in a 5 Ohm resistor due to a potential difference of 20 V? omb bas obutingem…

A: Write the given values with the suitable variables. R=5 ohmV=20 V Here, R is the resistance and V is…

Q: The block in the drawing has dimensions LO×2L0×3L0.where Lo =0.3 m. The block has a thermal…

A: Give Thermal conductivity = 100j/s-mC  Delta T = 21- 12 ° C = 9 ° c

Q: With what velocity vo should a projectile be started at the center of the Earth to reach the surface…

A: As per the guidelines we can solve only 1 question. Solution of 1st question is given Law of…

Q: Light bulb 1 operates with a filament temperature of 2500 K, whereas light bulb 2 has a filament…

A: T1=2500k. T2=1900k.

Q: 6&7 please

A:

Q: 5) Let's use this expression to solve a problem. Star X and Star Y are intrinsically identical…

A: Given, star X is located 20 light-years from earth star Y is located 40 light-years  from earth…

Q: 3. We will repeat the previous problem using energy arguments. Comment: Mechanical energy is…

A: The given yo-yo is made up of two solid disks, each of mass M, so the total mass of the yo-yo is 2M.…

Q: 7. "The wider the road, the more cars can pass through". Which of the following factors affecting…

A: We need to tell which factor affecting the resistance fits the given analogy.

Q: Consider the 68.0 kg mountain climber in the figure. 31 Fup 15 (a) Find the tension in the rope (in…

A:

Q: The distance between an object and its image formed by a concave mirror is d = %3D 21 cm. The…

A: Given data: The distance between image and object is d=21cm and The lateral magnification is M=-0.5.…

Q: wave paths to a distant screen are shown, leaving the slits at angle ₁. (The screen is so far away…

A: The wavelength of light is 624 nm.  (1) Every semi circle wavelet represents a wave front. Wave 1…