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Consider the following statements regarding the properties of a colloid: 1. It is a heterogeneous mixture and is unstable. 2. The size of particles of a colloid is large and can be seen by naked eyes. 3. particles of a colloid are big enough to scatter a beam of light passing through it and make its path visible. 4. Fog, clouds, mist, and coloured gemstone are some of the examples of colloid. Which of the statements given above is/are correct?
Which of the following form of colloid is considered to be the strongest colloid?
Which of the following form of colloid is considered to be the lightest colloid?
Given is a statement followed by two assumptions numbered I and II. Consider the statement and the following assumptions and decide which of the assumptions is/are implicit in the statement. Statement: Sustainability can be defined as the practice of meeting the needs of the current generation without degrading or destroying the natural resources (e.g. water, soil, biodiversity, oil, minerals.) Assumptions: Our lives and economies are dependent on natural capital, which is made up of these natural resources and natural services, and the energy provided by the sun. Just as every investor knows, we should invest our capital and live off on the interest, it provides. To live sustainably, we need to do the same: protect our natural capital and live off our biological income.
An undamped spring-mass system with mass m and spring stiffness k is shown in the figure. The natural frequency and natural period of this system are ω rad/s and T s, respectively. If the stiffness of the spring is doubled and the mass is halved, then the natural frequency and the natural period of the modified system, respectively, are
Which is a natural colloid ?
Which is a natural colloid?
Given below is a statement followed by some conclusions. Decide which of the given conclusions logically follows from the given statements.
Statement : Good voice is a natural gift, but one has to keep practicing to improve and excel in the field of music.
Conclusions :
I. Natural gifts need nurturing and care.
II. By continuous practice, one can get a natural gift.
Consider the following: Statement: Good voice is a natural gift but one has to keep practising to improve and excel well in the field of music. Conclusions: I. Natural gifts need nurturing and care. II. Even though one's voice is not good, one can keep practising. Which one of the following is correct in respect of the above statement and conclusions?
User level threads are threads that are visible to the programmer and are unknown to the kernel. The operating system kernel supports and manages kernel level threads. Three different types of models relate user and kernel level threads. Which of the following statements is/are true ? (a) (i) The Many - to - one model maps many user threads to one kernel thread (ii) The one - to - one model maps one user thread to one kernel thread (iii) The many - to - many model maps many user threads to smaller or equal kernel threads (b) (i) Many - to - one model maps many kernel threads to one user thread (ii) One - to - one model maps one kernel thread to one user thread (iii) Many - to- many model maps many kernel threads to smaller or equal user threads