Category: Physics

What can cause mutations? Mutations arise spontaneously at low frequency owing to the chemical instability of purine and pyrimidine bases and to errors during DNA replication. Natural exposure of an organism to certain environmental factors, such as ultraviolet light and chemical carcinogens (e.g., aflatoxin B1), also can cause mutations. Are there good mutations? Mutational effects […]

How do you calculate the decay constant? Suppose N is the size of a population of radioactive atoms at a given time t, and dN is the amount by which the population decreases in time dt; then the rate of change is given by the equation dN/dt = −λN, where λ is the decay constant. […]

Are alkyl halides acidic or basic? Terminal alkynes and acetylene are mildly acidic. The haloalkanes or alkyl halides are a group of chemical compounds, derived from alkanes containing one or more halogens. They are a subset of the general class of halocarbons although the distinction is not often made. Is Cl or Br a better […]

How do I deal with a breakup if I still love him? How To Deal With Breaking Up With Someone You Still Love Accept that love isn’t enough. Realize it’s not your fault. Sponsored: The best dating/relationships advice on the web. Think about what’s best for you. Build some support first. Set aside some post-breakup […]

How do you measure a wedge angle? The wedge angle of the plate can be determined from the inclining angle of the regression plane of the measured wavefront surface after the plate was inserted between the light source and the wavefront sensor. What is wedge friction? Friction- Part 2: A wedge is in general a […]

What is kinematics give three examples? The examples for kinematics are given below: i) Moving train and bus. ii) Motion of a mass on inclined plane. iii) Running water in the river. iv) Falling water from a mountain peak. What are the types of kinematics? There are three basic concepts in kinematics – speed, velocity […]

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What if petrol is used in diesel engine? Putting petrol in a diesel car can cause serious damage to the fuel injection system and the engine. Serious engine damage may also occur due to detonation caused by uncontrolled petrol ignition under the much higher compression ratio in diesel engines. How much pressure does it take […]

What is an example of atmosphere? Atmosphere is defined as the area of air and gas enveloping objects in space, like stars and planets, or the air around any location. An example of atmosphere is the ozone and other layers which make up the Earth’s sky as we see it. An example of atmosphere is […]

What is a paddle attachment? The paddle attachment mixes ingredients without whipping too much air into them. It’s most commonly used to “cream” butter and sugar, which means you beat butter and sugar together with the paddle attachment for a few minutes until the mixture is light and fluffy. What can I use instead of […]