1. Compute for the illuminance in your room. 2. Search for the ideal illuminance in the areas of the house (living area) and give area in your house that needs more light. Kindly give explanation how'd you come up with your answer

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A: Given  Intensity ,I = 10-4 watt/cm2  Area ,A = 25× 106 cm2  Power, P =???

Q: A laser shines on a pair of vertical slits. The horizontal distance L¡ between the laser and the rul...

A: Given: L1 = 12.3 mL2 = 0.511 md = 0.380mm = 0.380*10-3 m

Q: The difference between divergence and curl is represent vector field

A:

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A: In this question we have to answer related to Poincare Transformation.Please give positive feedback ...

Q: The 500 N weight is supported by two cables, the cable forces being Fi & F2. Knowing that the result...

A: Weight of block = 500 N  Force due to strings are F1 and F2 . 

Q: TRUE OR FALSE 9. The field lines are closer together where the field is stronger. 10. The greater th...

A: Electric field lines rules states that  Lines are closer together where the field is stronger. Line...

Q: One horsepower - hour is the work done in one hour by an agent working at the constant rate of one h...

A: To determine: The definition for one horsepower hour.

Q: Hydrogen atoms in states of high quantum number have been created in a lab. (a) Find the quantum num...

A:

Q: A conductor is an object or type of material that allows the flow of an electrical current in one or...

A: Answer-: true   

Q: A delivery van is heading the following routes: 6 km towards East, then 8.0 km towards North then 4....

A: Since you have posted a question with multiple sub-parts, we will solve first three sub parts for yo...

Q: A student wants to calculate the density of the two objects shown in the figure below.

A: Density = mass /volume 

Q: Q10: Using a nuclear counter the count rate of emitted particles from a radioactive source is measur...

A: Given value--- at t = 0 , count rate = 1600 count/s. after 6 second , count rate = 100 count/s. We...

Q: A block of iooo d of mas8 350g is moring at a speed ofs Fin d its kE in Joules. ms

A: Given data :                       Mass  =   m                    Velocity  =  v          To find : ...

Q: A force of a (5 lb) is found to stretch a screen door spring (6 in). What is the potential energy of...

A: Given value--- force = 5 lb. distance = 6 in . stretches = 18 in. We have to find--- potential en...

Q: Claudia is accelerating to get on the interstate. At the beginning of the south-facing on-ramp, she ...

A: Apply the first kinematic equation. Here, v represents the final velocity, u represents the initial...

Q: TRUE OR FALSE 4. The magnitude of the force that a test charge experiences due to another charge is ...

A:

Q: a cave, a spelunker starts at the entrance and moves the following distances in a hori- zontal plane...

A: We know that here we have given that a spelunker starts at the entrance and moves a distances in a h...

Q: d2 d1 As shown in the diagram above, a yellow cart of mass 2.55 kg rolls without friction on an incl...

A:

Q: Q3: According to Bohr's theory, the time-averaged magnetic field at the centre (i.e. nucleus) of a h...

A: To find out :- The time- averaged magnetic field at the centre of hydrogen atom due to motion of ele...

Q: Situation 4] From the given data of a dosed traverse, The adjusted bearing of BC using compass rule....

A: In this question we have to calculate the adjusted bearing of BC and DA using compass rule. Please g...

Q: In the figure, two blocks are connected over a pulley. The mass of block A is 8.30 kg and the coeffi...

A:

Q: With the help of dielectrics, almost all life functions are bound by electric potential energy, it i...

A: Whenever a force is applied on an object some kind of work done takes place. Potential energy can st...

Q: Problem 4: A satellite is traveling around a planet in a circular orbit with radius R. It moves in a...

A:

Q: Hydrogen atoms in states of high quantum number have been created in a lab. (a) Find the quantum num...

A: (a) in the question it is given that r=0.01mm=10-5m According to the bohr's model of hydrogen like ...

Q: A cylindrical capacitor 3.0 m long has an inner conductor of radius 1.0 mm and an outer conductor of...

A:

Q: A spring 0.2 m long extends 0.001 m when a mass of 72 kg is hung from it.  How far will a similar sp...

A: GivenFor spring 1length of spring ,L1=0.2 mMass hung with spring ,m1=72 kgSpring extend to length ,x...

Q: 5. A small sphere has a radius of 3.50 cm and is maintained at a temperature of 325°C. Assuming it t...

A: (5) Write the given values with the suitable variables. r=3.5 cm=0.035 mT=325 °C=325+273 K=598 K Her...

Q: 1. Two equal positive charges q1 = q2 = 4.0 µC are located at (0, 0.60 m) and (0, - 0.60 m), respect...

A: 1. Given:- q1= q2= 4 μC = 4×10^-6 C q3= 7 μC = 7×10^-6 C r1 = 0.6 j^ m (position vector of q1) r2 = ...

Q: 1. Find the resultant. Show the solution and illustrate it through the use of free body diagram. 400...

A:

Q: A) A1.2 kg block slides down a frictionless incline with a slope angle of 42°, starting from a heigh...

A: Calculate the potential energy, PE, of the block at height h from the incline's bottom. PE=mgh=1.2 k...

Q: A heart defibrillator being used on a patient has an RC time constant of 16.0 ms due to the resistan...

A: (a) The value of the resistance (R) is 1904.78 ohm (b)The time it will take to decline to 102 V is 7...

Q: a). What is the initial momentum of the system? b). What must be the final momentum of the system? c...

A: Here we will use the conservation of linear momentum theorem which implies that the momentum of the ...

Q: Compute the electric potential energy of a +5 C and a - 7 C with a distance of 3m.

A:

Q: Question 38 A particle is fired vertically upward with a speed of 15 km/s. With what speed will it m...

A: According to conservation of energy Total energy of isolated system remains constant. KEi + GPEi = K...

Q: The Coulomb's Law is important in the universe. Without it, hydrogen atom, as well as other atoms wi...

A: We know that the coulomb's law, which states that the force between the two charges, according to co...

Q: 1. How are images formed with plane mirrors? 2. How important is plane mirror to you?

A:   (1) In plane mirror always virtual Image formed , which  occurs where rays only appear to diverge ...

Q: Given a set of capacitors: 12 nF, 6 nF, 9 nF, 4 µF, 2 pF and 7 µF, solve the following problems: A. ...

A:

Q: When measured the moment of force, it need tunneling point *

A: False

Q: A soccer ball is kicked from the ground with an initial speed of 19.6 m/s at an upward angle of 47.8...

A:

Q: 1. How are images formed with plane mirrors? 2. How important is plane mirror to you?

A: In this question we have to answer some questions related to plane mirrors. Please give positive fee...

Q: A 4.0 kg mass, ml, hangs from a rope that runs over a massless frictionless pulley and is connected ...

A: a) Draw the free-body diagram of mass m1.

Q: A body will maintain a constant negative electrostatic charge if the body a maintains the same exces...

A: Answer:-  Answer (6) :- (C) continuously receives more electrons that it loses.  Because  If an atom...

Q: To tune in for the right frequency of a radio station, we may have to adjust a: Group of answer cho...

A: in a radio tuner we use a resonant circuit .

Q: An object was subject to a conservative force associated with the potential energy function shown ab...

A:

Q: 21.14 · A negative charge of -0.550 µC exerts an upward 0.200-N force on an unknown charge 0.300 m d...

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Q: a) CALCULATE the acceleration of the Falcon 9 Rocket if it takes 70 seconds from launch to reach sup...

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts fo...

Q: The result of couples of forces on rigid body are equilibrium O True O False

A: False

Q: perform a double-slit experiment in order to measure the wavelength of the new laser that you receiv...

A:

Q: In the circuit shown in the diagram below, two thick copper wires connect a battery to a nichrome (N...

A:

Q: The moment vector is perpendicular containing the force * O True False

A: False, Moment vector is perpendicular to force, not contiaing the force . Explanation :-     Since ,...

Nature of light

Light is transverse and electromagnetic radiation that exhibits the properties of a wave as well as a particle. For this reason, light is said to have a “dual nature.”