which of the following is an experiment?

Which of the following is an experiment? => Rolling a single dice or Choosing a ball from a bag of balls or Choosing a card from a deck of cards or All the above..

Which of the following experiments has equally likely outcomes? => Choosing a letter from the word MINIMUM . or Tossing a coin. or Choosing a ball from 8 red and 3 blue balls. or none of these..

In its simplest form, it consists of a cylindrical glass tube about 50 cms long, closed at both ends called the discharge tube (or Crookes tube). The tube is fitted with two metallic electrodes, which are connected to a source of high voltage. It is filled with gas and the discharge tube is connec..

The following experiment shows this property of adsorption (Fig.10.8). Place a jar of dry ammonia over mercury. Adjust the levels of mercury inside and outside the bell jar till they are equal. Carefully, push in a large piece of charcoal, preferably, activated charcoal. You wi..

>It was possible to conduct cross pollination by transferring pollen grains from one plant to another. Following table represents the contrasting characters, which Mendel was able to identify in the pea plants. fig. 18.6 - Mendel's Monohybrid Traits During his observation on the pattern o..

Which of the following are binomial experiments or can be reduced to binomial experiments? I. Drawing a red ball from a box containing red, white and black balls. II. Asking 100 people if they sleep more than 7 hours daily. III. Asking 100 people to find the number of ..

To understand how the resistance offered by air affects the rate of fall of freely falling objects, let us consider the following experiment. Drop a pebble and a piece of paper simultaneously from the same height. The pebble will hit the ground first. Now repeat the above ..

Pictorial representation of the a particles through different angles. A radioactive source S emitting a particles was collimated into a fine beam and made to fall on a thin gold foil. The a particles scattered in all directions. These produced bright flashes on falling on the fluorescent..

A binomial experiment should satisfy which of the following requirements? I. Each trial can have only 2 outcomes or outcomes that can be reduced to 2 outcomes. II. There must be a fixed number of trials. III. The outcomes of each trial must be independent of each other. IV. The ..

. When it is at rest, on placing the vibrating tuning fork on the sound box, the paper rider is found to vibrate vigorously and may be thrown off. The resonating length AC = L is measured using a metre scale. The experiment is repeated by gradually increasing the load W 2 in steps of 1Kgw..