Light of frequency 1.03x1015 Hz falls on a metal surface, and photoelectrons of energy 4.39 eV are emitted. Find the cut-off frequency for this metal, in Hz.

Q: A long, nonconducting, solid cylinder of radius 3.0 cm has a nonuniform volume charge density p that…

A:

Q: Two capacitors, C₁ = 5.36 uF and C₂ = 10.8 μF, are connected in parallel, and the resulting…

A: Given: In this question, the given details are The given capacitors values are, C1=5.36 μFC2=10.8 μF…

Q: Explain breeding reaction?

A: Breeding is a technique where in a few nuclear reactions produce more fuel than it consumes.  In…

Q: L • VP2. A child's toy consists of a small wedge that has an acute angle u as shown above. The…

A: acuute angle =u mass =m  distance =L

Q: Solve this attachment.

A: Given The circuit shown in Figure 2 is a common source n-channel (NMOS) amplifier M1 with its drain…

Q: R1 = 20 Rtot I tot I1=. AV1=. R2= R3= AV2 = %3D 24V I2= I3=- AV3=. 14=. AV4=. R4= 4A

A: Given,

Q: Which is heavier 1kg of nail or 1kg of cotton? Why?

A: nail is heavier in case of presence of air, in vacuum both are same.

Q: Can you explain the responsible mechanisms that cause lasing action?

A: Answer: LASING ACTION MECHANISM

Q: how is ultrasound used in the body for scanning?

A: Ultrasound used for scanning

Q: 1. What is the rate of heat production of a device with a resistance of 0.20 2 as a 10-A current…

A: (1) the rate of heat produce dH/dt = 20joule/sec (2) the rate of heat produce dH/dt= 1690joule/sec…

Q: Describe the nature of electrical signals in the nervous system?

A: nature of electrical signals

Q: The isotope boron-12 undergoes beta decay. Write the reaction equation and determine the identity of…

A: Given data:  Parent nucleus = Boron-12 Type of decay = beta decay

Q: • VP1. A bag of cement whose weight is Fg hangs in equilibrium from three wires as shown in the…

A:

Q: What is electric cell?

A: Introduction: Electricity is generated by the flow of charges which are electrons. When electrons…

Q: I don't understand this question. I have looked up the answer listed on the website and i'm hoping…

A: a) The required acceleration when accelerating upward is, b) The required acceleration when…

Q: To test the heart electrical activity using EEG

A: Heart electrical activity is tested by electrocardiogram(ECG).

Q: Which structures aid in the protecting the brain?

A: The brain is protected by the bones of the skull and by a covering of three thin membranes called…

Q: Name any two thoracic appendages? Zara karo zyadai pahan wazat?

A: We are asked to answer two thoracic appendages

Q: Clicker Question Two physicists decide to blow up a pumpkin. When it explodes, it splits into 3…

A:

Q: The specialized bone cells involve in bone remodeling is O Erythrocytes O Astrocytes Osteoblasts

A: Specialized bone cells involve in bone remodeling is

Q: The fur of polar bears consists of hollow fibers. (Sometimesalgae will grow in the hollow regions,…

A: Given: The Hollow fibers are present in the fur of polar bears, its beneficial acts are discussed…

Q: Explain briefly the applications of the Human Brain Project?

A:

Q: 3 Ω 4Ω 4Ω Reg 50 6Ω 3Ω O ww

A: The last three resistances 4 Ω, 5 Ω and 3 Ω are connected in series, the equivalent resistance of…

Q: 6. How peritoneal dialysis works?

A: We have to explain how peritoneal dialysis work

Q: Can neural pathways be rewired through interventions such a therapy?

A: Here is some introduction first:

Q: Figure Q1 The 2-kg block is released from rest at A and slides down along the smooth cylindrical…

A: a Given data: Mass of the block, m=2 kg Stiffness of spring, k=800 Nm Angle, θ=60° Radius or height…

Q: If I were to call your current/former VP, how would he or she describe what you‚Äôre doing well and…

A:

Q: An accident in a laboratory results in a room being contaminated by a radioisotope with a half-life…

A: