Description : A light ray traveling in benzene strikes the benzene-air surface at the critical angle. The angle of refraction of the light ray is: w) 30 degrees x) 60 degrees y) 90 degrees z) 180 degrees
Last Answer : ANSWER: Y -- 90 DEGREES
Description : The greatest induced EMF will occur in a straight wire moving at constant speed through a uniform magnetic field when the angle between the direction of the wire's motion and the direction of the magnetic field is w) 0 degrees x) 30 degrees y) 60 degrees z) 90 degrees
Last Answer : ANSWER: Z -- 90 DEGREES
Description : In order for fiber optics to work, the incident light inside the fiber must hit the wall of the fiber at: w) 90 degrees x) 45 degrees y) an angle greater than the critical angle z) none of the above
Last Answer : ANSWER: Y -- AN ANGLE GREATER THAN THE CRITICAL ANGLE
Description : The length of ——ab (the minor arc) is 40 cm. What is the circumference of circle c inside angle is 60 degrees?
Last Answer : s = 2 π r (θ/360°), C = πr^240cm = 2πr(1/6)(40*6)/2π = rr = 38.1972cmC = π*(38.1972)^2C = 4,583.66 cm
Description : At a roller support the line of reaction and the roller base must be at an angle of a.60? b.90? c.not less than 60? d.not more than 60? e.107 dynes
Last Answer : b. 90?
Description : The angle at which the wave must be transmitted in air media if the angle of reflection is 45 degree is a) 45 b) 30 c) 60 d) 90
Last Answer : a) 45
Description : At 28 days of curing concrete attains a strength of [ A ] 20 to 25% [ B ] 60 to 70% [ C ] 65 to 80% [ D ] 90 to 95%
Last Answer : [ D ] 90 to 95%
Description : The number of heart beats on an average in an adult human is in the range of (1) 60-65 (2) 66-70 (3) 71-80 (4) 85-90
Last Answer : 71-80
Description : To devitalize weed seeds in manure, the composting temperature must be in which of the following range a). 35-50 °C b). 50-65 °C c). 65-90 °C d). 90-105 °C
Last Answer : c). 65-90 °C
Description : How is the value of angle of refraction greater than 90 degrees in full internal reflection ?
Last Answer : The angle of inclination of the density medium for which the value of its angle of refraction is 90 degrees is called the angle of incidence. If the value of the angle of refraction is not ... will be no full internal reflection. Thus the value of full internal reflection is more than 90 degrees.
Description : What happenens if waves strike a reflective surface at an angle other than 90 degrees?
Last Answer : Need answer
Description : Find the loss angle in degrees when the loss tangent is 1. a) 0 b) 30 c) 45 d) 90
Last Answer : c) 45
Description : To facilitate entry of a catheter into the male urethra, the penis should be positioned at which of the following degree angles (in relation to the body)? a) 90 degrees A right ... and inappropriately positioned for catheterization. d) 270 degrees A 270-degree angle is a physical impossibility.
Last Answer : a) 90 degrees A right angle straightens the urethra and makes it easier to insert the catheter.
Description : The minimum angle of incidence at which the light ray may strike the interface of two media and result in an angle of refraction of 90 degrees or greater. ∙ A. optimum angle ∙ B. angle of refraction ∙ C. refracted angle ∙ D. critical angle
Last Answer : D. critical angle
Description : The angle between the velocity and acceleration of a body is: w) never 90 degrees x) never 180 degrees y) sometimes 180 degrees z) never 0 degrees
Last Answer : ANSWER: Y -- SOMETIMES 180 DEGREES
Description : When light is reflected from a surface, the angle of incidence is: w) 30 degrees x) equal to the angle of reflection y) 90 degrees z) 180 degrees
Last Answer : ANSWER: X -- EQUAL TO THE ANGLE OF REFLECTION
Description : What triangle has 30 degrees 60 degrees and 90 degrees?
Last Answer : A right-angle triangle
Description : According to WHO, the bird flue virus cannot be transmitted through food cooked beyond - (1) 60 degrees celsius (2) 70 degrees celsius (3) 90 degrees celsius (4) 100 degrees celsius
Last Answer : (2) 70 degrees celsius Explanation: Outbreaks by the highly pathogenic H5N 1 avian influenza (bird flu) virus in poultry have raised, concerns about the source of infection and the risk to humans from ... parts of the poultry are fully cooked (no pink parts) and that eggs, too, are properly cooked
Description : According to WHO, the bird flue virus cannot be transmitted through food cooked beyond (1) 60 degrees celsius (2) 70 degrees celsius (3) 90 degrees celsius (4) 100 degrees celsius
Last Answer : 70 degrees celsius
Description : Chemical score of milk proteins is (A) 70 (B) 65 (C) 60 (D) 40
Last Answer : Answer : B
Description : According to Census 2001, what is the percentage of Indian population below the age 40? (1) 75 (2) 70 (3) 65 (4) 60
Last Answer : (1) 75 Explanation: As per Census 2001, the population below 15 years was 35 percent, > 60 years was 8 percent, and between 15 and 59 years of age was 57 percent of the total population. India has ... census, the percentage of Indian population below the age 6 is 13.1% and above the age 6 is 86.9
Description : What is the quantization signal-to-noise ratio if an 8-bit PCM code is used? A. 40 dB B. 50 dB C. 60 dB D. 65 dB
Last Answer : B. 50 dB
Description : Yield of elemental phosphorous from rock phosphate is about __________ percent. (A) 1-2 (B) 15-25 (C) 40-45 (D) 60-65
Last Answer : (B) 15-25
Description : Purchased cost of equipments for a chemical process plant ranges from __________ percent of the fixed capital investment. (A) 10 to 20 (B) 20 to 40 (C) 45 to 60 (D) 65 to 75
Last Answer : (B) 20 to 40
Description : Iron content in Indian iron ore is about __________ percent. (A) 80-85 (B) 60-65 (C) 40-45 (D) 20-25
Last Answer : (B) 60-65
Description : Percentage content of silica in window glass, is (A) 40 to 45 (B) 50 to 55 (C) 60 to 65 (D) 70 to 75
Last Answer : Answer: Option D
Description : The mean marks obtained by a class of 40 students is 65. The mean marks of half of the students is found to be 45. The mean marks of the remaining students is (A) 85 (B) 60 (C) 70 (D) 65
Last Answer : Answer: A
Description : What is the angle of polaris above the horizon at st paul minnesota?
Last Answer : Feel Free to Answer
Description : A satellite position is measured by its __________ angle with respect to the horizon. A. elevation B. depression C. azimuth D. critical
Last Answer : A. elevation
Description : The angle between the index glass and the horizon glass of a box sextant is 40°; the horizontal angle between the two points sighted by the instruments is : (a) 20° (b) 60° (c) 40° (d) 80°
Last Answer : (a) 20°
Description : If the angle of attack is increased beyond the critical angle of attack, the wing will no longer produce sufficient lift to support the weight of the aircraft: a. Unless the airspeed is greater ... below the natural horizon d. In which case, the control column should be pulled-back immediately
Last Answer : b. Regardless of airspeed or pitch attitude
Description : If a clock tower is 15 feet tall. How long is its shadow at 60 degree above the horizon. How do you work out the problem?
Last Answer : If the angle of elevation is 60 degrees then by using thetangent ratio the length of the shadow is 8.66 feet rounded to twodecimal places.
Description : The time horizon for an aggregate plan is typica The time horizon for an aggregate plan is typically: a)0 - 3 months b)3 -18 months c)24 - 60 months
Last Answer : b)3 -18 months
Description : The angle between a principal plane and a plane of maximum shear is a. 30 0 b. 60 0 c. 90 0 d. None
Last Answer : d. None
Description : Find the acceptance angle of a material which has a numerical aperture of 0.707 in air. a) 30 b) 60 c) 45 d) 90
Description : The intrinsic angle of the wave with a loss angle of 60 is a) 120 b) 60 c) 90 d) 30
Last Answer : d) 30
Description : Find the angle at which the torque is minimum. a) 30 b) 45 c) 60 d) 90
Last Answer : d) 90
Description : The gang angle of disc harrow is adjusted in the range of: a) 0-30 c) 30-60 b) 60-90 d) Above 90
Last Answer : B
Description : Flooding nozzle have spray angle a) 100-150 b) 90-100 c) 60-95 d) 30-45
Last Answer : a) 100-150
Description : If the incident ray falls directly on the normal. What will be the angle of incidence .? a ) 0 b)30 c)60 d)90
Last Answer : a ) 0
Description : In Alaska, does the sun just go flat across the horizon?
Last Answer : There is a video of it here. I’m not sure when that would happen.
Description : The sun and moon appear elliptical near the horizon due to (a) optical illusion (b) interference (c) refraction (d) actual change in shapes
Last Answer : Ans:(c)
Description : The sun remains visible for some time after it actually sets below the horizon. This happens due to 1. atmospheric refraction 2. scattering of light 3. dispersion Which of the above statements is/are correct? (a) 1 only (b) 1 and 2 (c) 1 and 3 (d) 1, 2 and 3
Last Answer : Ans:(a)
Description : In what ratio must a person mix three kinds of musted seeds costing Rs.65/kg, Rs.70/kg and Rs.105 /kg so that the resultant mixture when sold at Rs.96/kg yields a profit of 20%? a) 1:2:4 b) 3:7:6 c) 1:4:2 d)1:8:6 e) 40 : 8 : 25
Last Answer : E The resultant mixture is sold at a profit of 20% at Rs.96/kg i.e. 1.2 (cost) = Rs.96 => Cost = = Rs.80 / kg. Let the three varities be A, B, and C costing Rs.65, Rs.70 and Rs.105 respectively. The ... be mixed. A:C=4:5 B:C=2:5 The resultant ratio A : B : C :: 40 : 8 : 25.
Description : How do I know my sun, moon and horizon signs?
Last Answer : You can find out your sun sign simply by seeing when your birthday falls in the dates below.Aries: March 21 †April 19Taurus: April 20 †May 20Gemini: May 21 †June 20Cancer: June 21 ... February 19 †March 20You can calculate your moon sign at cafeastrology dot com/whats-my-moon-sign.html
Description : The term ‘equinox’ means – (1) The path which the Earth takes around the Sun (2) The axis of the Earth around which it rotates (3) When the day and night are of equal duration (4) The time when the Sun seems to be going round and round in the sky in the Arctic but does not go below the horizon
Last Answer : (3) When the day and night are of equal duration Explanation: The name "equinox" is derived from the Latin aequus (equal) and nox (night), because around the equinox, the night and day have ... The term equinox can also be used in a broader sense, meaning the date when such a passage happens.
Description : The term ‘equinox’ means (1) The path which the Earth takes around the Sun (2) The axis of the Earth around which it rotates (3) When the day and night are of equal duration (4) The time when the Sun seems to be going round and round in the sky in the Arctic but does not go below the horizon
Last Answer : When the day and night are of equal duration
Description : A projectile is fired into the air at an angle of 23 degrees. At what other angle would this projectile have the same range if air resistance is neglected? w) 46 degrees x) 60 degrees y) 67 degrees z) 68 degrees
Last Answer : ANSWER: Y -- 67 DEGREES
Description : For a space wave transmission, the radio horizon distance of a transmitting antenna with a height of 100 meters is approximately: A. 10 km B. 40 km C. 100 km D. 400 km
Last Answer : B. 40 km
Description : How far away is the radio horizon of an antenna 100ft high? A. 14.14 mi B. 40km C. 14.14 km D. 40 mi
Last Answer : A. 14.14 mi