The triple point of water is ___________ a) 273.16°C b) 273.16K c) 273.16°F d) 0.15K
Q: Clinical thermometer can be sterilized by boiling. a) True b) False
A: Option
Q: Kepler’s second law is based on ___________ a) Newton’s first law b) Newton’s second law c) Special ...
A: D
Q: A solid sphere rolls down two different inclined planes of the same heights but different angles of ...
A: C
Q: A car of mass 1.5 * 10^3 kg is traveling on a country road towards the village at 55 miles per hour....
A: Initial velocity of the car=55 miles/ hr=24.5872 m/s Final velocity of the car=30 miles/hr=13.4112 m...
Q: A negative point charge of 1.5 nC and a positive point charge of 4 nC are placed 10 cm apart. Calcul...
A: Given: The negative point charge is 1.5 nC. The positive point charge is 4 nC. The separation betwee...
Q: A car of mass m = 1200kg travels a distance A, = 2.2 km. At the beginning of the movement the speed ...
A: Given that the car of mass m=1200kg moving initially with velocity v0=10m/s covers a distance Ax=220...
Q: If the temperature of a rod is increased by 10°C, its length increases by 1%. What is the percentage...
A: B
Q: If the density of the planet is doubled without any change in its radius, how does g change on the p...
A: D
Q: 5. You figure the Radiation intensity without shielding is 78 mSv/h for a fellow CEDO's radiographic...
A: Concept used: HVL (half value layer) is the thickness at which value of intensity becomes 50% of its...
Q: The helicopter view in the figure shows two people pulling on a stubborn mule. The person on the rig...
A:
Q: A black body at 200 K is found to emit maximum energy at a wavelength 14μm. When its temperature is ...
A: Option
Q: If the sun were to increase in temperature from T to 2T and its radius from R to 2R, then the ratio ...
A: D
Q: Mud houses are cooler in summer and warmer in winter because ___________ a) Mud is a good conductor ...
A: Option
Q: Compare the total energy radiated by your body in one day (expressed in kilocalories) to the energy ...
A: The total power radiated by our body is P=1050 W. The energy we would lose in one day will be: E=105...
Q: The following wires are made of the same material. Which of these will have the largest extension, w...
A: A
Q: A solid weight 6kg in air. If its density is 2000kgm-3, what will be its apparent weight in water?
A: Volume of solid=mass/density=6/2000 m3=Volume of water displaced Mass of water displaced=Volume×Dens...
Q: Which is more elastic? a) Water b) Air c) Solid d) Crystal
A: Water is more elastic than anything else. Air can be compressed easily whereas water is incompressib...
Q: A copper wire of length 3m and 1mm diameter is subjected to a tension of 5N. Calculate the elongatio...
A: D
Q: On a hilly region, water boils at 95°C. What is the temperature expressed in Fahrenheit? a) 100°F b)...
A: B
Q: According to Hooke’s law of elasticity, if stress is increased, the ratio of stress to strain? a) In...
A: According to Hooke's law of elasticity limit. stress is directly proportional to the strain stress...
Q: 1. Assume that the 195pt crystal in the electron microscope image at right has a density of 21.45g/c...
A: Given : Density ρ = 21.45 g/cc λ = 0.23 nm
Q: In an elastic collision of two billiard balls, the total kinetic energy is conserved ___________ a) ...
A: Option
Q: 0.80. Calculate the surface temperature of the probe. Assume that there are no radiative
A: Given: d=65 cm P=450 W e=0.80 Formula used: A=π4d2 PA=eσT4
Q: 8) Related to opposing matter particles a) they are unloadedb) they may be masslessc) they can be sp...
A: Opposing matter particles are elementary particle so they can not be unloaded Opposing matter parti...
Q: At a particular moment in the xy plane, The electrical potential of V(x,y) is provided by V(x,y) = y...
A: The electric field is given by taking the negative signed gradient of the potential function, i.e E=...
Q: Bernoulli’s Principle A wind blows at the speed of 30 m/s across a 175 m2 flat roof of a house.(a) W...
A: Given : v=30m/s A=175m2 (a) The density of air at atmospheric pressure is : ρ=1.225 k...
Q: It is easier to swim in sea water than in river water. a) True b) False
A: A.
Q: The coefficient of volumetric expansion of mercury is 18×10-5/°C. The thermometer bulb has a volume ...
A: Option
Q: A thick wire is suspended from a rigid support and no load is attached to its free end but the wire ...
A: A
Q: A heavenly body revolves around a massive star in a highly elliptical orbit. Ignoring mass loss of t...
A: D
Q: If the resultant of all the external forces acting on a system of particles is 0, then from an inert...
A: B
Q: An object weighing 2 lb stretches a spring 1/2 ft. This object is pulled down 1/4 ft from the equili...
A: Given data, weight=2lbl=0.5ftg=32.2ft/s2 The mass is given by weight divided by gravitational accler...
Q: Which type of function model provides the best fit for the table below? Explain your reasoning. X y ...
A: If we have to only tell the type of function model , we can plot the data on graph.
Q: Which of the following has body centered cubic structure? a) Polonium b) Copper c) Nickel d) Tungste...
A: D
Q: Which is not considered a wave function in the range in which it is defined?
A: The acceptable conditions for wave function, within a given internal are The function must be singl...
Q: What is the primary difference between classical and modern physics? Explain briefly.
A: Concept used: Classical and modern physics are two different approaches to study nature. They operat...
Q: Deaw an electui ciait hith a statch e 2ells 3veach, 3Resistos f 102 ui Ellis", The esictance O102 cm...
A: R1, R2 and R3 are 3 resistances in series, 10 ohms eachE1 and E2 are the two cells, 3V eachS is the ...
Q: Which of the following is an effective coolant? a) Oil b) Mercury c) Water d) Acids
A: C
Q: A particle of mass M is moving in a horizontal circle of radius R with uniform speed v. When it move...
A: C
Q: Given a block which is at rest on a perfectly flat smooth table. You push with your hand horizontall...
A: Given Mass m = 2.00 kg Acceleration a = 5.00 m/s2
Q: The temperature of a body can be negative on the Kelvin scale. a) True b) False
A: Option
Q: Question Consider a germanium crystal. Calculate the number of the quantum states per om and the ene...
A: Given: The mass density of the Germanium crystals ρm=5.33 g/cm3 To find: The number of quantum stat...
Q: The dagram hows mofaparticies bout to r the space between the poles ofa very strong maget paries Des...
A:
Q: Example 2.3 Average and Instantaneous Velocity x (m) 10 particle moves along the x axis. Its positio...
A: (a) Given: The expression of position is -4t+2t2. Introduction: Displacement is defined as the chang...
Q: Suppose the relative humidity of the air was 96% on a cold morning when the temperature was 20 C. In...
A: If the water vapor content stays the same and the temperature rises, the relative humidity should de...
Q: A particle of mass 100g is thrown vertically upwards with a speed of 5m/s. The work done by the forc...
A: D
Q: Two particles are seen to collide and move jointly together after the collision. During such a colli...
A: Option d
Q: Suppose you have an ice cube that has a mass of 11.58g at a temperature of -2.8°C. If you add this ...
A: Absorbing the heat from the hot water, the temperature of the ice will first increase to 0∘C, then i...
Q: What is the ration of the force of attraction between two bodies kept in the air and the same distan...
A: C
Q: What is thermal conductivity
A: The thermal conductivity of a material is a measure of its ability to conduct heat. It is commonly d...
The triple point of water is ___________
a) 273.16°C
b) 273.16K
c) 273.16°F
d) 0.15K
Step by step
Solved in 2 steps
