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Questions in category: Physics

Nasius

Use the method of dimensional analysis to solve this problem: What is the mass, in milligrams, of 7.62 micromoles of caffeine?

Holen

If the position time graph is a straight line then a.the velocity is zero

Gibson

A proton is accelerated by a potential difference of 8×10⁴ volts. it then enters a uniform field of B=0.707 web/metre² in a direction making

Vsevolodovna

Two large, thin metal plates are parallel and close to each other. On their inner faces, the plates have surface charge densities of opposit

Linda Little

(c) How do velocity and acceleration change from mean position? Approved by Arbind singh

Shakashicage

As the law of physics states that matter cannot be created nor be destroyed but in black holes how does the matter gets destroyed and the ma

Jensen

A particle is projected with a speed of 40 m/s at an angle of 30° from horizontal from top of a tower 10 m high as shown in figure. What is

Russo

A convex mirror with a radius of curvature of 3m is used as rare view mirror for a vehicle if a bus is located at 5m from the mirror find th

Amy Gibson

Write a paragraph of 100-150 words on World Ozone Day. No Spam or I will report

Christopher Rodriguez

On what factors does the force acting on a chargemoving in a magnetic field, depend? Write thenecessary formula for this force. (UP, 2019)

Davenport

Short-Answer Questions1. What is the refraction of light? 2. Define refractive index of a medium. 3. What are real and virtual images? Give

Nijinn

The vapour density of a gas is 40. Calculate the volume of 20g of this gas at 27°C and 950mm pressure of Hg

Angela Burns

A plane brick wall 25 cm thick if faced with 15 cm thick concrete layer. If temperature of exposed brick face is 70°c & that of concrete

Egorov

What are the three requirements for selecting a unit of a physical quantity?

Sailhala

Thee density of ethanol is 0.789 g ml-Find the mass of a sample of ethanol that has a volun(Ans. 118.35 g etha1500 ml* An airplane ties with

Wendy

ਕਿਹੜਾ ਖਿਡਾਰੀ ਅਥਲੈਟਿਕਸ ਨਾਲ ਸੰਬੰਧਿਤ ਹੈ (a) ਵਿਰਾਟ ਕੋਹਲੀ (b) ਮਿਲਖਾ ਸਿੰਘ (c) ਰਾਮਪਾਲ ਰਾਣੀ (d) ਸਚਿਨ ਤੇਂਦੁਲਕਰ

stitch

What is photosynthesis???what is crackers???what is nature??what is secularism??what is federalism??

Kurzmann

Writing Skills Question :-Compose a story of your terrifying experience during night with ur friend _____ u suddenly see a mysterious flying

GrosserRi

Explain Tyndall Effect?? Plz don't spam you can also write in hindi buss mujhe samajh aa jana cahiye please

Thordin

An 8000 kg engine pulls a train of 5 wagons, each of 2000 kg, along a horizontal track. If the engine exerts a force of 40000 N and the trac

Evtim

A bus moving with a velocity of 60 km h-1 is brought to rest in 20 seconds by applying brake find acceleration

Vuzilkree

a body is moving with uniform velocity of 50km/h come to rest after 10 second find retardation and distance travelled by body before it come

schedule

Theme One score each for questions 1 to 4 Find the odd one on the basis of nature of quantities give them (Mass, time, Volume, length) 2. Fi

Langevin Stanislas

principal focus is a real point for concave mirror but a virtual point for convex mirror. Give reason why? please give correct answers

Konstantin

an air bubble of volume 200cm³ risers to the surface of left hurts volume is 350cm² find the depth of the lake if the atmospheric pressure i

Kajikora

एस आई पद्धति से कार्य को की

Jay

A bullet of mass 10gram travelling horizontally with a velocity 150 m/s ,strikes a stationary wooden block and comes to rest in 0.03 second.

Dunkle

1. Define the following terma) Principal focus of a spherical mirror. b) Total internal reflection c) Dispersion d) Critical angle e) Power

hook up

On a rough horizontal surface a body of mass 2kg is given a velocity of 10m/s. If the coefficient of the friction is 0.4 and g=10 m2,the bod

Xyugo

Write an essay on the title 'relation between physical and mental health' under the guidance of your teacher. Then present it infront of you

Jakobsson

Which of the following Condition is to be satisfied to obtain a magnified image of an object using a concave mirror:A) V>uB) V<uC) V=u

infer

Show that the intensity of an unpolarised wave reduced by half after passing through a polarizer

Franceschi Lelia

In the equation y = integrate x² cos (wt - h*alpha) dt , unit of x is 'm' and of t is 's'. The unit of y isA) m²B) m/s¹C) msD) m²s

Milekhin

30. In a compound microscope, if P, is the power of objective and P, is the power of eye piece, which of the following is correct a) Pi P2 c

San Diego

A train covers 450 km in 5 hrs. Calculate it's speed in a) km/hr b) m/s

Whiteterror

Q. 5. A driver of a car travelling at 52 kmh-l applies the brakes and accelerates uniformly in the opposite direction. The car stops in 5 s.

Steelbourne

A car of mass 1500 kg is moving with a velocity of 18 km/h. its velocity changes to 72 km/h in 10 seconds. Find the force of friction betwee

Althaus

When an electric charge is moving in free space :-a. only electric field produced b. only magnetic field produced c. both electric and magne

Aleksandra

Sᴛᴀᴛᴇ ᴛʜᴇ ᴇxᴀᴄᴛ ʟᴏᴄᴀᴛɪᴏɴ ᴏғ ᴛʜᴇ ғᴏʟʟᴏᴡɪɴɢ:➪ ʀᴏᴏᴛ ʜᴀɪʀ➪xʏʟᴇᴍ➪sᴛᴏᴍᴀᴛᴀ➪ʀᴏᴏᴛ ᴄᴏʀᴛᴇx➪ᴘʜᴏʟᴇᴍ

Slavka

Initial distance between a girl and bus is 50m. bus starts moving with 1m/s² acceleration. girl starts moving simultaneously with velocity u

interpreter

7. Identify the correct statements in the followinga) Inertia is defined with the Decideof Newton's first law of motion b) Newton's second

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