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Consider the following statement: 1. The number of photoelectrons emitted is proportional to the intensity of the incident beam. 2. The kinetic energy of emitted electrons in the photoelectric effect does not depend on intensity. 3. The kinetic energy of emitted electrons in the photoelectric effect does not depend on frequency. Which of the following statement is INCORRECT?
If '÷' is replaced with '+','×' is replaced with '-','+' is replaced with '×' and '-' is replaced with '÷', then what will be the value of the given expression? 8 + 5 × 54 - 9 ÷ 3 = ?
Study the information carefully and answer the questions given below: If we arrange the alphabets in the word "RATE" in the English alphabetical order, word "AERT" is formed. Then the third alphabet from the left in this word is "R". similarly, from the word "OPEN" we get - "ENOP" and the third alphabet from the left is "O". From the word "CHEF" we get - "CEFH" the third alphabet from the left "F". From the word "TOY" we get - "OTY" and the third alphabet from the left is "Y". From the word "EAT" we get - "AET" and the third alphabet from the left is "T" If we use all these letters, then a meaningful English word "FORTY" can be formed. Now find which of the following word set DOES NOT give a meaningful word in a similar way.
In the word "THERAPY‟, if each vowel is replaced by the next vowel in the English alphabet series and each consonant is replaced by the letter appearing just before it in the English alphabet series, then from the new word, which of the following meaningful word can be formed?
The first theory is that the carbon dioxide emitted as humans sing helps plants to photosynthesize more efficiently, thus making them stronger and helping them to grow faster. That’s a reasonable theory, but consider this: a plant showed noticeable change listening to Celine Dion declare “My heart will go on and on!” through a machine and not in my bedroom. No humans present. No carbon dioxide emitted. Yet the fact that the music had an effect on the plant, whether beneficial or not, was undeniable. What inference can be made from the above paragraph?
In the given numbers, if in each number first digit is replaced by the third digit, second digit is replaced by the first digit and third digit is replaced by the second digit then which number will be the biggest? 653 749 872 933 541
In the number 76534218 each digit is replaced next digit, ie '1' is replaced by '2' , '2' is replaced by '3' and so on and then the digits are arranged in ascending order from left to right, which digit will be fifth from the left end?
The color of the light emitted by an LED depends on the type of material. Which light is emitted when the LED is reverse biased?
Which of the following statement regarding Operant Conditioning by B.F. Skinner is correct? I. Positive reinforcement occurs when removal of an aversive or unpleasant stimulus following an emitted behaviour strengthens the occurrence of the behaviour II. Negative reinforcement involves the representation of a pleasant stimulus followed by an emitted behaviour which strengthens the occurrence of the behaviour
All the forms of matter except gases emit electromagnetic radiation continuously. The gases which electrically or thermally excited emit a certain wavelength only, then which of the following is/are true about the process (i) The spacing between the atoms in the other forms of matter is high than in gas (ii) The spacing between the atoms in gases is high than the other forms of matter (iii) The energy of the emitted radiation depends on the spacing between the atoms (iv) The wavelength of the emitted radiation depends on the spacing between the atoms